CompareForgeCPU Comparison
Put two or three desktop processors side by side and compare the specifications that decide whether a chip fits your motherboard, your memory and your workload — with every value traced to the manufacturer's or database's own page.
Compare Processors Side by Side
This table reads from CompareForge's verified processor records: choose up to three chips, search by brand or model, and switch on “Differences only” to hide the rows they share. Every column carries a link to the page it was transcribed from. If the processor you want is not listed, the specification comparison tool accepts any values you enter.
Compare CPUs side by side
4 verified cpus records · up to 3 at a time · every value carries a source.
Selected for comparison (2/3)
- AMD Ryzen 7 9800X3D
- AMD Ryzen 9 9950X
| Specification | AMD Ryzen 7 9800X3D | AMD Ryzen 9 9950X |
|---|---|---|
| Basics | ||
| Architecture | Zen 5 (Granite Ridge) | Zen 5 (Granite Ridge) |
| Release date | 7 Nov 2024 | 15 Aug 2024 |
| Process node | TSMC 4nm FinFET | TSMC 4nm FinFET (CPU), TSMC 6nm FinFET (I/O die) |
| Cores and clocks | ||
| Cores | 8 | 16 |
| Threads | 16 | 32 |
| Base clockin GHz | 4.7 GHz | 4.3 GHz |
| Boost clockin GHz | 5.2 GHz | 5.7 GHz |
| Cache | L1 640 KB, L2 8 MB, L3 96 MB | L1 1280 KB, L2 16 MB, L3 64 MB |
| Platform | ||
| Socket | AM5 | AM5 |
| Memory support | DDR5, up to 256 GB | DDR5, up to 256 GB |
| PCI Express | PCIe 5.0 | PCIe 5.0 |
| Graphics and power | ||
| Integrated graphics | AMD Radeon Graphics | AMD Radeon Graphics |
| Processor power rating | 120 W | 170 W |
Add your own specification
Rows you add appear as “Your own rows” in the table above and are filled in by you. Nothing is stored or transmitted — the table is computed in your browser. CompareForge does not invent specifications you have not provided.
What to Compare in a CPU
Processor specifications only make sense read together. The fields below are the ones worth transcribing first, and what each one actually tells you.
Cores and threads
Physical cores and the number of instruction streams they handle. Core count is the crudest comparison between two chip families, because an efficiency core and a performance core are not the same thing — a modern 16-core part and an older 8-core part can trade blows in different tasks. Compare cores alongside the architecture generation rather than in isolation.
Clock speed
Base frequency and the highest frequency the manufacturer quotes under load. Higher numbers mean more work per second on a single thread, but only within the same architecture: a faster clock on an older design can be slower overall than a slower clock on a newer one.
Cache
On-die memory in kilobytes and megabytes, split across L1, L2 and L3. Cache reduces how often the processor has to wait for system memory, and it is the specification most often cited for gaming-heavy parts. Compare the shared L3 figure for multi-threaded work and the per-core L2 figure for latency-sensitive work.
Socket and chipset
The physical socket and the motherboards that accept it. This is a compatibility gate rather than a performance figure: a chip you cannot mount in your board is not a candidate, no matter what the rest of the table says. Socket generations are usually pin-incompatible, so plan the board, memory and chip as one purchase.
Process node
The manufacturing process in nanometres. Smaller nodes generally mean more transistors in the same area and better performance per watt, but the number is marketing-adjacent: each foundry's nanometre label is not directly comparable with another's. Use it as a generation indicator, not a score.
Memory and PCIe support
Which memory generation the chip supports, the maximum capacity, and how many PCI Express lanes it provides. Lanes are shared between the graphics card, storage and add-in cards, so a chip with fewer lanes can bottleneck fast NVMe drives long before the processor itself is busy.
Integrated graphics
Whether the chip includes graphics, and which unit. Integrated graphics let a machine run without a discrete card and are the fallback if that card fails; for gaming or GPU-accelerated rendering they are not a substitute for a discrete GPU.
Power rating
The processor's rated power draw, and where the manufacturer publishes them, the sustained power limits. Power determines how much cooling and how large a power supply the build needs, and on modern chips the sustained limit often explains real-world behaviour better than the base clock does.
What Matters When Comparing Processors
Two chips with similar headline numbers can be very different purchases. These four checks settle most processor decisions before a benchmark is involved.
Platform before performance
Confirm the socket and chipset support the board you have or plan to buy, then confirm memory generation. A faster chip that needs a new board, new memory and new cooling is a different budget from the sticker suggests.
Workload before core count
Many small parallel tasks reward cores; few latency-sensitive tasks reward clock speed and cache. Decide which shape of work you have, then read the rows that follow from it rather than the largest number in the table.
Sustained power against cooling
The rated power is the floor of the cooling problem. A chip that runs at a high sustained limit in a small case will throttle, which is a cooling decision before it is a processor decision.
Generation over megahertz
Clock speed is only comparable inside one architecture. Between generations, how much work happens per clock changes enough to outweigh a few hundred megahertz, which is why the architecture row sits at the top of the table.
How to Use the CPU Comparison Tool
- 1Search or scroll the record list and select the processors you are deciding between — up to three at a time.
- 2Read the Platform group first: socket, memory support and PCI Express decide compatibility, and they eliminate candidates fastest.
- 3Switch on “Differences only” to hide the rows the selected chips share, then switch it off again before you finish.
- 4Read cores, threads, clock speed and cache together rather than as four separate numbers.
- 5Check the power rating against the cooler and power supply you intend to use.
- 6Use “Copy shareable link” to keep the exact three-chip view for later, and open the source under any column you intend to act on.
Why Clock Speed Alone Does Not Decide It
Clock speed is the most readable processor specification and the least decisive on its own. It counts cycles per second, not work per cycle, and work per cycle changes with every architecture revision. Two chips running at very different frequencies can deliver similar performance because the slower one does more in each clock.
That is why the comparison table puts architecture next to clock speed, and why we do not rank processors by frequency. Within a single architecture family a higher clock is meaningful; across families it is not, and a page that treated it as comparable would be giving you a number that looks precise and means very little.
The same applies to core count. Eight cores of one generation and sixteen cores of another are not a like-for-like count, particularly when the newer chip splits them into performance and efficiency cores. Compare the composition of the core configuration as well as the total.
Choosing a Processor for Your Build
Start with the platform, because it removes options immediately: pick the board and memory first if you have a budget, or the chip first if you have a specific workload. Either way the three have to be bought together, and the cheapest chip on the wrong platform is the expensive choice.
Next decide the workload shape. Compiling, rendering, streaming and video encoding all push toward more cores; high-refresh gaming, large-spreadsheet work and single-threaded applications push toward clock speed and cache. Neither is universally better, and a chip bought for the wrong shape of work will disappoint in the one task you actually do.
Then set the cooling and power budget. The rated power determines the cooler, and the cooler determines the case and often the noise. If the machine lives on a desk in a quiet room, that constraint is worth applying before the benchmark argument starts.
Only after those three steps does the performance comparison become useful. Enter the two or three chips still standing into the table, read the rows that differ, and open the source on any figure you are about to act on.
About product data on this page
Every value in this table was transcribed from the manufacturer or database page linked under each column and checked on 1 October 2026. The table covers 4 records — it is a sample, not a complete market list. A blank cell means the source did not publish that figure; it is shown as "Not verified" rather than filled with an estimate. CompareForge runs no lab tests, publishes no benchmark scores and no prices.
What a database-driven comparison looks like: Phone Comparison. Browse every published record on the product database, or read how we decide what to publish on the methodology page.
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Frequently Asked Questions
How do I compare two processors?
Select both chips in the tool above, then compare them in this order: socket and platform compatibility, cores and threads, clock speed and cache together, memory and PCI Express support, and finally the power rating against your cooling. Turn on “Differences only” to see only the rows where they differ.
Is a higher clock speed always faster?
No. Clock speed counts cycles, not work per cycle, and the amount of work done in each cycle changes between architectures. A newer chip at a lower frequency can be faster than an older chip at a higher one, which is why the table shows architecture alongside clock speed.
More cores versus faster cores — which should I choose?
It depends on the shape of your workload. Parallel work such as rendering, compiling and encoding benefits from more cores; latency-sensitive work such as high-refresh gaming benefits from clock speed and cache. The table shows both so you can apply your own weighting rather than taking ours.
Do you publish processor benchmark scores?
No. CompareForge does not run lab tests and does not publish benchmark scores, FPS figures or performance rankings. We compare the specifications manufacturers and hardware databases publish, and we show where each value came from.
Where do the processor specifications on this page come from?
Each record is transcribed from the linked AMD, Intel or TechPowerUp page, and the source list under the table shows which page was used and when it was read. Fields the source did not publish are shown as “Not verified” rather than filled in with a typical figure.
Which processor should I buy?
That depends on your board, your memory, your cooling and your workload — none of which we can see. Work through the four checks above, then use the table to see which of your candidates satisfies them.
Methodology
Every value in the table above was transcribed from the page linked under each column and carries that page's access date. Fields the source did not publish are left as "Not verified" rather than estimated. CompareForge runs no lab tests, publishes no benchmark scores, no prices and no rankings without a stated method. Read the full methodology →