Radeon RX 6600M vs Radeon RX 6700M

AMD

Radeon RX 6600M

2021Core: 2068 MHzBoost: 2416 MHz
Similar parts
·······
VS
AMD

Radeon RX 6700M

2021Core: 1489 MHzBoost: 2400 MHz
Similar parts
·······

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.

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

2021

Why 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

2021

Why 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

Which GPU is faster for gaming right now?
Radeon RX 6700M is the faster gaming card right now. In our data, it leads by 9.6% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon RX 6600M instead at 13,922 vs 13,525, so for this question the real-game FPS result matters more than the synthetic split.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon RX 6600M is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.
Which GPU is the better buy today?
Radeon RX 6700M makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and lighter 1440p, Radeon RX 6700M is the easier value choice. If you care more about 1080p and lighter 1440p headroom, Radeon RX 6600M has the stronger long-term case.

Radeon RX 6600M vs Radeon RX 6700M Technical Specifications

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

AMD

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.

AMD

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).

FeatureRadeon RX 6600MRadeon 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.

FeatureRadeon RX 6600MRadeon 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.

FeatureRadeon RX 6600MRadeon 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.

FeatureRadeon RX 6600MRadeon 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).

FeatureRadeon RX 6600MRadeon 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.

FeatureRadeon RX 6600MRadeon 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