
Radeon RX 6600M

Radeon RX 6700M
Radeon RX 6600M vs Radeon RX 6700M 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 Radeon RX 6700M 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 Radeon RX 6700M: 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
- ✅Draws 100W instead of 135W, a 35W reduction.
Trade-offs
- ❌Lower average FPS than Radeon RX 6700M across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 8 GB vs 10 GB for high-resolution textures and newer games.
Radeon RX 6700M
2021Why buy it
- ✅9.6% more average FPS across 50 tracked games in our benchmark data.
- ✅25% more VRAM for high-resolution textures and newer games (10 GB vs 8 GB).
- ✅More future proof: RDNA 2.0 (2020−2025) on 7nm with a newer platform for upcoming games.
Trade-offs
- ❌35% higher power demand at 135W vs 100W.
Quick Answers
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Radeon RX 6600M vs Radeon RX 6700M 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.

Radeon RX 6700M
The Radeon RX 6700M is manufactured by AMD. It was released in May 31 2021. It features the RDNA 2.0 architecture. The core clock ranges from 1489 MHz to 2400 MHz. It has 2304 shading units. The thermal design power (TDP) is 135W. Manufactured using 7 nm process technology. It features 36 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,525 points.
Graphics Performance
The Radeon RX 6600M scores 13,922 and the Radeon RX 6700M reaches 13,525 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The Radeon RX 6600M is built on RDNA 2.0 while the Radeon RX 6700M uses RDNA 2.0, both on a 7 nm process. Shader units: 1,792 (Radeon RX 6600M) vs 2,304 (Radeon RX 6700M). Raw compute: 8.659 TFLOPS (Radeon RX 6600M) vs 11.06 TFLOPS (Radeon RX 6700M). Boost clocks: 2416 MHz vs 2400 MHz. Ray tracing: 28 RT cores (Radeon RX 6600M) vs 36 (Radeon RX 6700M).
| Feature | Radeon RX 6600M | Radeon RX 6700M |
|---|---|---|
| G3D Mark Score | 13,922+3% | 13,525 |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Process Node | 7 nm | 7 nm |
| Shading Units | 1792 | 2304+29% |
| Compute (TFLOPS) | 8.659 TFLOPS | 11.06 TFLOPS+28% |
| Boost Clock | 2416 MHz | 2400 MHz |
| ROPs | 64 | 64 |
| TMUs | 112 | 144+29% |
| L1 Cache | 512 KB | 512 KB |
| L2 Cache | 2 MB | 3 MB+50% |
| Frame Generation | FSR 3 + AFMF | FSR 3 + AFMF |
| Ray Tracing Cores | 28 | 36+29% |
Advanced Features (DLSS/FSR)
Both cards support Frame Generation in supported games, so this part of the feature set is broadly comparable.
| Feature | Radeon RX 6600M | Radeon RX 6700M |
|---|---|---|
| Upscaling Tech | FSR 3 | FSR 3 |
| Frame Generation | FSR Frame Generation + AFMF | FSR Frame Generation + AFMF |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon RX 6600M has 8 GB of VRAM, while the Radeon RX 6700M carries 10 GB. Radeon RX 6700M gives you 25% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 224 GB/s (Radeon RX 6600M) vs 320 GB/s (Radeon RX 6700M) — a 42.9% advantage for the Radeon RX 6700M. Memory bus width is 128-bit on the Radeon RX 6600M and 160-bit on the Radeon RX 6700M. L2 Cache: 2 MB (Radeon RX 6600M) vs 3 MB (Radeon RX 6700M) — the Radeon RX 6700M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 6600M | Radeon RX 6700M |
|---|---|---|
| VRAM Capacity | 8 GB | 10 GB+25% |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 224 GB/s | 320 GB/s+43% |
| Bus Width | 128-bit | 160-bit+25% |
| L2 Cache | 2 MB | 3 MB+50% |
Display & API Support
DirectX support: 12 (FL 12_2) (Radeon RX 6600M) vs 12.2 (Radeon RX 6700M). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 1.
| Feature | Radeon RX 6600M | Radeon RX 6700M |
|---|---|---|
| DirectX | 12 (FL 12_2) | 12.2+2% |
| Vulkan | 1.3 | 1.4+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+300% | 1 |
Media & Encoding
Hardware encoder: VCN 3.0 (Radeon RX 6600M) vs VCN 3.0 (Radeon RX 6700M). Decoder: VCN 3.0 vs VCN 3.0. Supported codecs: H.264,HEVC,VP9,AV1 (Radeon RX 6600M) vs MPEG-2,H.264,HEVC,VP9 (Radeon RX 6700M).
| Feature | Radeon RX 6600M | Radeon RX 6700M |
|---|---|---|
| Encoder | VCN 3.0 | VCN 3.0 |
| Decoder | VCN 3.0 | VCN 3.0 |
| Codecs | H.264,HEVC,VP9,AV1 | MPEG-2,H.264,HEVC,VP9 |
Power & Dimensions
The Radeon RX 6600M draws 100W versus the Radeon RX 6700M's 135W — a 29.8% difference. The Radeon RX 6600M is more power-efficient. Recommended PSU: 500W (Radeon RX 6600M) vs 500W (Radeon RX 6700M). Power connectors: Mobile vs Mobile.
| Feature | Radeon RX 6600M | Radeon RX 6700M |
|---|---|---|
| TDP | 100W-26% | 135W |
| Recommended PSU | 500W | 500W |
| Power Connector | Mobile | Mobile |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | — | 85°C |
| Perf/Watt | 139.2+39% | 100.2 |
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