Radeon RX 6800 vs Radeon RX 7900M

AMD

Radeon RX 6800

2020Core: 1700 MHzBoost: 2105 MHz
RX family
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VS
AMD

Radeon RX 7900M

2023Core: 1825 MHzBoost: 2090 MHz
Similar parts
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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.

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

2020

Why 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

2023

Why 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

Which GPU is faster for gaming right now?
Radeon RX 7900M is the faster gaming card right now. In our data, it leads by 14.7% in average FPS across 50 tracked games in our benchmark data and by 1.5% in PassMark G3D (22,385 vs 22,056), so the answer here is pretty clean.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon RX 7900M is the safer long-term pick for 2026 and beyond. The case is simple: a 5nm process instead of 7nm, 72 vs 60 ray-tracing units, and a newer 2023 generation instead of 2020. That gives it the more rounded hardware package for newer games.
Which GPU is the better buy today?
Radeon RX 6800 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and strong 1440p, Radeon RX 6800 is the easier value choice. If you care more about 1080p and strong 1440p headroom, Radeon RX 7900M has the stronger long-term case.

Radeon RX 6800 vs Radeon RX 7900M Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

AMD

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.

AMD

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).

FeatureRadeon RX 6800Radeon 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.

FeatureRadeon RX 6800Radeon 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.

FeatureRadeon RX 6800Radeon 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.

FeatureRadeon RX 6800Radeon 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).

FeatureRadeon RX 6800Radeon 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.

FeatureRadeon RX 6800Radeon 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).

FeatureRadeon RX 6800Radeon RX 7900M
MSRP
$579
Codename
Navi 21
Navi 31
Release
October 28 2020
October 19 2023
Ranking
#65
#62

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