
Radeon RX 6600M

RTX PRO 2000 Blackwell
Radeon RX 6600M vs RTX PRO 2000 Blackwell Performance Spectrum
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Radeon RX 6600M vs RTX PRO 2000 Blackwell FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Radeon RX 6600M vs RTX PRO 2000 Blackwell: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon RX 6600M
2021Why buy it
- ✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
Trade-offs
- ❌Lower average FPS than RTX PRO 2000 Blackwell across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 8 GB vs 16 GB for high-resolution textures and newer games.
- ❌Lower G3D Mark per dollar, at 0 vs 16.9 G3D/$ (Unknown MSRP vs $849 MSRP).
- ❌42.9% higher power demand at 100W vs 70W.
RTX PRO 2000 Blackwell
2025Why buy it
- ✅19.8% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 16.9 vs 0 G3D/$ ($849 MSRP vs Unknown MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (16 GB vs 8 GB).
- ✅Draws 70W instead of 100W, a 30W reduction.
Trade-offs
- ❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
Quick Answers
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Radeon RX 6600M vs RTX PRO 2000 Blackwell Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon RX 6600M
The Radeon RX 6600M is manufactured by AMD. It was released in May 31 2021. It features the RDNA 2.0 architecture. The core clock ranges from 2068 MHz to 2416 MHz. It has 1792 shading units. The thermal design power (TDP) is 100W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,922 points.

RTX PRO 2000 Blackwell
The RTX PRO 2000 Blackwell is manufactured by NVIDIA. It was released in August 11 2025. It features the Blackwell 2.0 architecture. The core clock ranges from 982 MHz to 1957 MHz. It has 4352 shading units. The thermal design power (TDP) is 70W. Manufactured using 5 nm process technology. It features 34 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 14,363 points.
Graphics Performance
The Radeon RX 6600M scores 13,922 and the RTX PRO 2000 Blackwell reaches 14,363 in the G3D Mark benchmark — just a 3.2% difference, making them near-identical in rasterization performance. The Radeon RX 6600M is built on RDNA 2.0 while the RTX PRO 2000 Blackwell uses Blackwell 2.0, both on 7 nm vs 5 nm. Shader units: 1,792 (Radeon RX 6600M) vs 4,352 (RTX PRO 2000 Blackwell). Raw compute: 8.659 TFLOPS (Radeon RX 6600M) vs 17.03 TFLOPS (RTX PRO 2000 Blackwell). Boost clocks: 2416 MHz vs 1957 MHz. Ray tracing: 28 RT cores (Radeon RX 6600M) vs 34 (RTX PRO 2000 Blackwell) vs 136.
| Feature | Radeon RX 6600M | RTX PRO 2000 Blackwell |
|---|---|---|
| G3D Mark Score | 13,922 | 14,363+3% |
| Architecture | RDNA 2.0 | Blackwell 2.0 |
| Process Node | 7 nm | 5 nm |
| Shading Units | 1792 | 4352+143% |
| Compute (TFLOPS) | 8.659 TFLOPS | 17.03 TFLOPS+97% |
| Boost Clock | 2416 MHz+23% | 1957 MHz |
| ROPs | 64 | 64 |
| TMUs | 112 | 136+21% |
| L1 Cache | 0.5 MB | 4.3 MB+760% |
| L2 Cache | 2 MB | 32 MB+1500% |
| Ray Tracing Cores | 28 | 34+21% |
Advanced Features (DLSS/FSR)
The clearest feature edge for the Radeon RX 6600M is support for FSR Frame Generation + AFMF. In games that support it, that can smooth out motion and lift perceived FPS. The RTX PRO 2000 Blackwell does not have comparable native support in the same tier.The RTX PRO 2000 Blackwell gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX 6600M leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | Radeon RX 6600M | RTX PRO 2000 Blackwell |
|---|---|---|
| Upscaling Tech | FSR 3 | Upscaling support |
| Frame Generation | FSR Frame Generation + AFMF | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | NVIDIA Reflex |
Video Memory (VRAM)
The Radeon RX 6600M has 8 GB of VRAM, while the RTX PRO 2000 Blackwell carries 16 GB. RTX PRO 2000 Blackwell gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the Radeon RX 6600M and 256-bit on the RTX PRO 2000 Blackwell. L2 Cache: 2 MB (Radeon RX 6600M) vs 32 MB (RTX PRO 2000 Blackwell) — the RTX PRO 2000 Blackwell has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 6600M | RTX PRO 2000 Blackwell |
|---|---|---|
| VRAM Capacity | 8 GB | 16 GB+100% |
| Memory Type | GDDR6 | GDDR6 |
| Bus Width | 128-bit | 256-bit+100% |
| L2 Cache | 2 MB | 32 MB+1500% |
Display & API Support
DirectX support: 12 (FL 12_2) (Radeon RX 6600M) vs 12.0 (RTX PRO 2000 Blackwell). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon RX 6600M | RTX PRO 2000 Blackwell |
|---|---|---|
| DirectX | 12 (FL 12_2) | 12.0 |
| Vulkan | 1.3 | 1.4+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCN 3.0 (Radeon RX 6600M) vs 9th Gen NVENC (RTX PRO 2000 Blackwell). Decoder: VCN 3.0 vs 6th Gen NVDEC. Supported codecs: H.264,HEVC,VP9,AV1 (Radeon RX 6600M) vs MPEG-2,H.264,HEVC,VP9,AV1 (RTX PRO 2000 Blackwell).
| Feature | Radeon RX 6600M | RTX PRO 2000 Blackwell |
|---|---|---|
| Encoder | VCN 3.0 | 9th Gen NVENC |
| Decoder | VCN 3.0 | 6th Gen NVDEC |
| Codecs | H.264,HEVC,VP9,AV1 | MPEG-2,H.264,HEVC,VP9,AV1 |
Power & Dimensions
The Radeon RX 6600M draws 100W versus the RTX PRO 2000 Blackwell's 70W — a 35.3% difference. The RTX PRO 2000 Blackwell is more power-efficient. Recommended PSU: 500W (Radeon RX 6600M) vs 500W (RTX PRO 2000 Blackwell). Power connectors: Mobile vs PCIe-powered.
| Feature | Radeon RX 6600M | RTX PRO 2000 Blackwell |
|---|---|---|
| TDP | 100W | 70W-30% |
| Recommended PSU | 500W | 500W |
| Power Connector | Mobile | PCIe-powered |
| Length | — | 167mm |
| Height | — | 68mm |
| Slots | 0-100% | 2 |
| Temp (Load) | — | 70°C |
| Perf/Watt | 139.2 | 205.2+47% |
Value Analysis
The newer card here is RTX PRO 2000 Blackwell (2025 vs 2021).
| Feature | Radeon RX 6600M | RTX PRO 2000 Blackwell |
|---|---|---|
| MSRP | — | $849 |
| Codename | Navi 23 | GB206 |
| Release | May 31 2021 | August 11 2025 |
| Ranking | #173 | #165 |
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