AMD Ryzen 9 3950X vs AMD Ryzen 9 9950X3D2
[ VERDICT ]
Winner: AMD Ryzen 9 9950X3D2 (97/100)
AMD Ryzen 9 9950X3D2 leads overall with a score of 97/100 compared to AMD Ryzen 9 3950X (53/100), offering superior measured performance and technical specifications.
Benchmark Performance Comparison
Normalized Lab Scores| Benchmark | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Efficiency | 52.0 Below Average | 76.0 Good WINNER |
| Performance | 50.0 Below Average | 95.0 Excellent WINNER |
Detailed Technical Specifications
CPU
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Base Frequency (P) | 3.5 GHz | 4.3 GHz |
| Bus Frequency | 100 MHz | 100 MHz |
| L1 Cache | 64K (per core) | 80K (per core) |
| L2 Cache | 512K (per core) | 1MB (per core) |
| L3 Cache | 64MB (shared) | 192MB (shared) |
| Multiplier | 35x | 43x |
| P-Cores | 16 | 16 |
| P-Threads | 32 | 32 |
| Total Cores | 16 | 16 |
| Total Threads | 32 | 32 |
| Turbo Boost Frequency (P) | 4.7 GHz | 5.6 GHz |
| Unlocked Multiplier | Yes | Yes |
GeekBench v6
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Background blur | 41.9 images/sec | 90.2 images/sec |
| Clang compilation | 137.6 Klines/sec | 240.9 Klines/sec |
| File compression | 869 MB/sec | 2030 MB/sec |
| HTML 5 Browser | 204.1 pages/sec | 460.9 pages/sec |
| PDF Renderer | 335.9 Mpixels/sec | 570.9 Mpixels/sec |
| Photo processing | 73.3 images/sec | 160.1 images/sec |
| Ray tracing | 30.4 Mpixels/sec | 56.9 Mpixels/sec |
| Text processing | 145.8 pages/sec | 361 pages/sec |
General
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Instruction Set | x86-64 | x86-64 |
| Integrated GPU | No | Radeon Graphics |
| Intel Equivalent | -Intel Core i9 9900K | — |
| Released | November 25, 2019 | March 26, 2026 |
| Type | Desktop | Desktop |
| Vendor | Amd | Amd |
| Codename | — | Zen 5 (Granite Ridge) |
| Model number | — | 9950X3D2 |
Memory Support
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| ECC Support | Yes | Yes |
| Max. Memory Bandwidth | 47.68 GB/s | 89.6 GB/s |
| Max. Memory Size | 128 GB | 256 GB |
| Memory Channels | 2 | 2 |
| Memory Types | - DDR4-3200 | - DDR5-5600 |
Misc
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Official Site | AMD Ryzen 9 3950X official page | AMD Ryzen 9 9950X3D2 official page |
| PCI Express Lanes | 16 | 28 |
| PCI Express Version | 4.0 | 5.0 |
| Technologies | - Compute: BMI1, BMI2, F16C, SHA- Performance: Precision Boost 2, SMT, XFR 2- Virtualization: AMD-V- Security: EVP, SMAP, SMEP | — |
Package
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Fabrication Process | 7 nm | 4 nm |
| Socket | AM4 | AM5 |
| TDP (PL1) | 105 W | 200 W |
| Transistors | 3.8 billions | — |
| Max. Boost TDP (PL2) | — | 270 W |
| Peak Temperature | — | 95°C |
PassMark
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Data compression | 587.6 MBytes/sec | — |
| Data encryption | 37.8 GBytes/sec | — |
| Extended instructions | 36.6B Matrices/sec | — |
| Find prime numbers | 173M Primes/sec | — |
| Floating point math | 77.8 GOps/sec | — |
| Integer math | 132.8 GOps/sec | — |
| Physics | 1602 Frames/sec | — |
| Random string sorting | 63.1M Strings/sec | — |
Performance Per Watt
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Blender / Watt | 3.59 PPW | 3.74 PPW |
| Cinebench 2024 / Watt | 13 PPW | 12.6 PPW |
| Geekbench 6 Multi / Watt | 108.3 PPW | 135.6 PPW |
| Passmark CPU Mark / Watt | 366.1 PPW | 363.9 PPW |
Recent User Tests
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Date | Benchmark | — |
| 📘 2025-07-18(Maki) | Cinebench 2024 | — |
| 📘 2025-11-27(Elizabeth) | Cinebench 2024 | — |
Cinebench
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Cinebench 2026 (Multi) | — | 10459 |
| Cinebench 2026 (Single) | — | 558 |
iGPU
| Specification | AMD Ryzen 9 3950X | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Execution Units | — | 2 |
| GPU Base Clock | — | 400 MHz |
| GPU Boost Clock | — | 2200 MHz |
| Integrated Graphics | — | Radeon Graphics |
| ROPs | — | 4 |
| Shading Units | — | 128 |
| TGP | — | 15 W |
| TMUs | — | 8 |
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