AMD Ryzen 5 6600U 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 5 6600U (45/100), offering superior measured performance and technical specifications.
Benchmark Performance Comparison
Normalized Lab Scores| Benchmark | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Efficiency | 66.0 Average | 76.0 Good WINNER |
| Performance | 55.0 Below Average | 95.0 Excellent WINNER |
Detailed Technical Specifications
CPU
| Specification | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Base Frequency (P) | 2.9 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 | 16MB (shared) | 192MB (shared) |
| Multiplier | 29x | 43x |
| P-Cores | 6 | 16 |
| P-Threads | 12 | 32 |
| Total Cores | 6 | 16 |
| Total Threads | 12 | 32 |
| Turbo Boost Frequency (P) | 4.5 GHz | 5.6 GHz |
| Unlocked Multiplier | No | Yes |
GeekBench v6
| Specification | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Background blur | 33.6 images/sec | 90.2 images/sec |
| Clang compilation | 52.4 Klines/sec | 240.9 Klines/sec |
| File compression | 837.1 MB/sec | 2030 MB/sec |
| HTML 5 Browser | 169.3 pages/sec | 460.9 pages/sec |
| PDF Renderer | 219.6 Mpixels/sec | 570.9 Mpixels/sec |
| Photo processing | 73.2 images/sec | 160.1 images/sec |
| Ray tracing | 12.9 Mpixels/sec | 56.9 Mpixels/sec |
| Text processing | 198.7 pages/sec | 361 pages/sec |
General
| Specification | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Codename | Zen 3+ (Rembrandt) | Zen 5 (Granite Ridge) |
| Instruction Set | x86-64 | x86-64 |
| Integrated GPU | Radeon 660M | Radeon Graphics |
| Intel Equivalent | -Intel Core i7 1260P | — |
| Released | January 4, 2022 | March 26, 2026 |
| Successor | -AMD Ryzen 5 8640U | — |
| Type | Laptop | Desktop |
| Vendor | Amd | Amd |
| Model number | — | 9950X3D2 |
Memory Support
| Specification | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| ECC Support | No | Yes |
| Max. Memory Bandwidth | 76.8 GB/s | 89.6 GB/s |
| Max. Memory Size | 64 GB | 256 GB |
| Memory Channels | 2 | 2 |
| Memory Types | - DDR5-4800- LPDDR5-6400 | - DDR5-5600 |
Misc
| Specification | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Official Site | AMD Ryzen 5 6600U official page | AMD Ryzen 9 9950X3D2 official page |
| PCI Express Lanes | 20 | 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 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Fabrication Process | 6 nm | 4 nm |
| Peak Temperature | 95°C | 95°C |
| Socket | FP7 | AM5 |
| TDP (PL1) | 15-28 W (configurable) | 200 W |
| Max. Boost TDP (PL2) | — | 270 W |
PassMark
| Specification | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Data compression | 200.3 MBytes/sec | — |
| Data encryption | 12.7 GBytes/sec | — |
| Extended instructions | 13.3B Matrices/sec | — |
| Find prime numbers | 51M Primes/sec | — |
| Floating point math | 33.5 GOps/sec | — |
| Integer math | 60.4 GOps/sec | — |
| Physics | 821 Frames/sec | — |
| Random string sorting | 21.2M Strings/sec | — |
Performance Per Watt
| Specification | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Blender / Watt | 4.32 PPW | 3.74 PPW |
| Cinebench 2024 / Watt | 19 PPW | 12.6 PPW |
| Geekbench 6 Multi / Watt | 257.6 PPW | 135.6 PPW |
| Passmark CPU Mark / Watt | 603 PPW | 363.9 PPW |
iGPU
| Specification | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Execution Units | 6 | 2 |
| GPU Base Clock | 400 MHz | 400 MHz |
| GPU Boost Clock | 1900 MHz | 2200 MHz |
| Integrated Graphics | AMD Radeon 660M | Radeon Graphics |
| ROPs | 16 | 4 |
| Shading Units | 384 | 128 |
| TGP | 15 W | 15 W |
| TMUs | 24 | 8 |
Cinebench
| Specification | AMD Ryzen 5 6600U | AMD Ryzen 9 9950X3D2 |
|---|---|---|
| Cinebench 2026 (Multi) | — | 10459 |
| Cinebench 2026 (Single) | — | 558 |
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