
Radeon RX 6800

Radeon RX 7900M
Radeon RX 6800 vs Radeon RX 7900M 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 6800 vs Radeon RX 7900M 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 6800 vs Radeon RX 7900M: 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 6800
2020Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 38.1 vs 0 G3D/$ ($579 MSRP vs Unknown MSRP).
Trade-offs
- ❌Lower average FPS than Radeon RX 7900M across 50 tracked games in our benchmark data.
- ❌Radeon RX 7900M is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
- ❌38.9% higher power demand at 250W vs 180W.
Radeon RX 7900M
2023Why buy it
- ✅14.7% more average FPS across 50 tracked games in our benchmark data.
- ✅Better long-term bet: RDNA 3.0 on 5nm gives it a newer hardware base for upcoming games.
- ✅Draws 180W instead of 250W, a 70W reduction.
Trade-offs
- ❌Lower G3D Mark per dollar, at 0 vs 38.1 G3D/$ (Unknown MSRP vs $579 MSRP).
Quick Answers
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Which GPU is the safer long-term pick for 2026 and beyond?
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Radeon RX 6800 vs Radeon RX 7900M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon RX 6800
The Radeon RX 6800 is manufactured by AMD. It was released in October 28 2020. It features the RDNA 2.0 architecture. The core clock ranges from 1700 MHz to 2105 MHz. It has 3840 shading units. The thermal design power (TDP) is 250W. Manufactured using 7 nm process technology. It features 60 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 22,056 points. Launch price was $579.

Radeon RX 7900M
The Radeon RX 7900M is manufactured by AMD. It was released in October 19 2023. It features the RDNA 3.0 architecture. The core clock ranges from 1825 MHz to 2090 MHz. It has 4608 shading units. The thermal design power (TDP) is 180W. Manufactured using 5 nm process technology. It features 72 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 22,385 points.
Graphics Performance
The Radeon RX 6800 scores 22,056 and the Radeon RX 7900M reaches 22,385 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon RX 6800 is built on RDNA 2.0 while the Radeon RX 7900M uses RDNA 3.0, both on 7 nm vs 5 nm. Shader units: 3,840 (Radeon RX 6800) vs 4,608 (Radeon RX 7900M). Raw compute: 16.17 TFLOPS (Radeon RX 6800) vs 38.52 TFLOPS (Radeon RX 7900M). Boost clocks: 2105 MHz vs 2090 MHz. Ray tracing: 60 RT cores (Radeon RX 6800) vs 72 (Radeon RX 7900M).
| Feature | Radeon RX 6800 | Radeon RX 7900M |
|---|---|---|
| G3D Mark Score | 22,056 | 22,385+1% |
| Architecture | RDNA 2.0 | RDNA 3.0 |
| Process Node | 7 nm | 5 nm |
| Shading Units | 3840 | 4608+20% |
| Compute (TFLOPS) | 16.17 TFLOPS | 38.52 TFLOPS+138% |
| Boost Clock | 2105 MHz | 2090 MHz |
| ROPs | 96 | 192+100% |
| TMUs | 240 | 288+20% |
| L1 Cache | 0.75 MB | 3 MB+300% |
| L2 Cache | 4 MB | 6 MB+50% |
| Frame Generation | FSR 3 + AFMF | FSR 3 + AFMF |
| Ray Tracing Cores | 60 | 72+20% |
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 6800 | Radeon RX 7900M |
|---|---|---|
| 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)
Both cards ship with 16 GB of GDDR6. Memory bandwidth: 512 GB/s (Radeon RX 6800) vs 576 GB/s (Radeon RX 7900M) — a 12.5% advantage for the Radeon RX 7900M. Memory bus width is 256-bit on the Radeon RX 6800 and 256-bit on the Radeon RX 7900M. L2 Cache: 4 MB (Radeon RX 6800) vs 6 MB (Radeon RX 7900M) — the Radeon RX 7900M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 6800 | Radeon RX 7900M |
|---|---|---|
| VRAM Capacity | 16 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 512 GB/s | 576 GB/s+13% |
| Bus Width | 256-bit | 256-bit |
| L2 Cache | 4 MB | 6 MB+50% |
Display & API Support
DirectX support: 12.2 (Radeon RX 6800) vs 12.2 (Radeon RX 7900M). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 1.
| Feature | Radeon RX 6800 | Radeon RX 7900M |
|---|---|---|
| DirectX | 12.2 | 12.2 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+300% | 1 |
Media & Encoding
Hardware encoder: VCN 4.0 (Radeon RX 6800) vs VCN 4.0 (Radeon RX 7900M). Decoder: VCN 4.0 vs VCN 4.0. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (Radeon RX 6800) vs MPEG-2,H.264,HEVC,VP9,AV1 (Radeon RX 7900M).
| Feature | Radeon RX 6800 | Radeon RX 7900M |
|---|---|---|
| Encoder | VCN 4.0 | VCN 4.0 |
| Decoder | VCN 4.0 | VCN 4.0 |
| Codecs | MPEG-2,H.264,HEVC,VP9,AV1 | MPEG-2,H.264,HEVC,VP9,AV1 |
Power & Dimensions
The Radeon RX 6800 draws 250W versus the Radeon RX 7900M's 180W — a 32.6% difference. The Radeon RX 7900M is more power-efficient. Recommended PSU: 650W (Radeon RX 6800) vs 330W (Radeon RX 7900M). Power connectors: 2x 8-pin vs Mobile. Card length: 240mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 75°C vs 85°C.
| Feature | Radeon RX 6800 | Radeon RX 7900M |
|---|---|---|
| TDP | 250W | 180W-28% |
| Recommended PSU | 650W | 330W-49% |
| Power Connector | 2x 8-pin | Mobile |
| Length | 240mm | 0mm |
| Height | 111mm | 0mm |
| Slots | 2 | 0-100% |
| Temp (Load) | 75°C-12% | 85°C |
| Perf/Watt | 88.2 | 124.4+41% |
Value Analysis
The newer card here is Radeon RX 7900M (2023 vs 2020).
| Feature | Radeon RX 6800 | Radeon RX 7900M |
|---|---|---|
| MSRP | $579 | — |
| Codename | Navi 21 | Navi 31 |
| Release | October 28 2020 | October 19 2023 |
| Ranking | #65 | #62 |
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