Radeon PRO W6600 vs RTX A4000 Mobile

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 PRO W6600 vs RTX A4000 Mobile 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 PRO W6600 vs RTX A4000 Mobile: 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 PRO W6600

2021

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 23.0 vs 0 G3D/$ ($649 MSRP vs Unknown MSRP).
✅Draws 100W instead of 115W, a 15W reduction.
✅More future proof: RDNA 2.0 on 7nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than RTX A4000 Mobile across 50 tracked games in our benchmark data.

RTX A4000 Mobile

2021

Why buy it

✅10.4% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

❌Lower G3D Mark per dollar, at 0 vs 23.0 G3D/$ (Unknown MSRP vs $649 MSRP).
❌15% higher power demand at 115W vs 100W.

Quick Answers

Which GPU is faster for gaming right now?

RTX A4000 Mobile is the faster gaming card right now. In our data, it leads by 10.4% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon PRO W6600 instead at 14,932 vs 14,782, 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 PRO W6600 is the safer long-term pick for 2026 and beyond. The case is simple: the newer upscaling stack, FSR Upscaling / FSR 4 (2025) instead of no meaningful modern upscaling stack and a 7nm process instead of 8nm. That still leaves it as the safer long-term option on hardware alone.

Which GPU is the better buy today?

Radeon PRO W6600 makes the most sense today based on the pricing and value data we have for this matchup. RTX A4000 Mobile still makes more sense if max raw gaming performance matters more than value.

Radeon PRO W6600 vs RTX A4000 Mobile Technical Specifications

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

Radeon PRO W6600

The Radeon PRO W6600 is manufactured by AMD. It was released in June 8 2021. It features the RDNA 2.0 architecture. The core clock ranges from 2331 MHz to 2903 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: 14,932 points. Launch price was $649.

RTX A4000 Mobile

The RTX A4000 Mobile is manufactured by NVIDIA. It was released in April 12 2021. It features the Ampere architecture. The core clock ranges from 1140 MHz to 1680 MHz. It has 5120 shading units. The thermal design power (TDP) is 115W. Manufactured using 8 nm process technology. It features 40 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 14,782 points.

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Graphics Performance

The Radeon PRO W6600 scores 14,932 and the RTX A4000 Mobile reaches 14,782 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The Radeon PRO W6600 is built on RDNA 2.0 while the RTX A4000 Mobile uses Ampere, both on 7 nm vs 8 nm. Shader units: 1,792 (Radeon PRO W6600) vs 5,120 (RTX A4000 Mobile). Raw compute: 10.4 TFLOPS (Radeon PRO W6600) vs 17.2 TFLOPS (RTX A4000 Mobile). Boost clocks: 2903 MHz vs 1680 MHz. Ray tracing: 28 RT cores (Radeon PRO W6600) vs 40 (RTX A4000 Mobile) vs 160.

Feature	Radeon PRO W6600	RTX A4000 Mobile
G3D Mark Score	14,932+1%	14,782
Architecture	RDNA 2.0	Ampere
Process Node	7 nm	8 nm
Shading Units	1792	5120+186%
Compute (TFLOPS)	10.4 TFLOPS	17.2 TFLOPS+65%
Boost Clock	2903 MHz+73%	1680 MHz
ROPs	64	80+25%
TMUs	112	160+43%
L1 Cache	0.5 MB	5 MB+900%
L2 Cache	2 MB	4 MB+100%
Ray Tracing Cores	28	40+43%

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Advanced Features (DLSS/FSR)

The RTX A4000 Mobile gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon PRO W6600 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	Radeon PRO W6600	RTX A4000 Mobile
Upscaling Tech	FSR Upscaling / FSR 4	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	NVIDIA Reflex

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Video Memory (VRAM)

Both cards ship with 8 GB of GDDR6. Memory bus width is 256-bit on the Radeon PRO W6600 and 128-bit on the RTX A4000 Mobile. L2 Cache: 2 MB (Radeon PRO W6600) vs 4 MB (RTX A4000 Mobile) — the RTX A4000 Mobile has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon PRO W6600	RTX A4000 Mobile
VRAM Capacity	8 GB	8 GB
Memory Type	GDDR6	GDDR6
Bus Width	256-bit+100%	128-bit
L2 Cache	2 MB	4 MB+100%

🖥️

Display & API Support

DirectX support: 12.2 (Radeon PRO W6600) vs 12.2 (RTX A4000 Mobile). Vulkan: 1.4 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 4.

Feature	Radeon PRO W6600	RTX A4000 Mobile
DirectX	12.2	12.2
Vulkan	1.4+17%	1.2
OpenGL	4.6	4.6
Max Displays	3	4+33%

🎬

Media & Encoding

Hardware encoder: VCN 3.0 (Radeon PRO W6600) vs 7th Gen NVENC (RTX A4000 Mobile). Decoder: VCN 3.0 vs 5th Gen NVDEC. Supported codecs: MPEG-2,H.264,HEVC,VP9 (Radeon PRO W6600) vs MPEG-2,H.264,HEVC,VP9,AV1 (Decode) (RTX A4000 Mobile).

Feature	Radeon PRO W6600	RTX A4000 Mobile
Encoder	VCN 3.0	7th Gen NVENC
Decoder	VCN 3.0	5th Gen NVDEC
Codecs	MPEG-2,H.264,HEVC,VP9	MPEG-2,H.264,HEVC,VP9,AV1 (Decode)

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Power & Dimensions

The Radeon PRO W6600 draws 100W versus the RTX A4000 Mobile's 115W — a 14% difference. The Radeon PRO W6600 is more power-efficient. Recommended PSU: 500W (Radeon PRO W6600) vs 500W (RTX A4000 Mobile). Power connectors: PCIe-powered vs PCIe-powered. Card length: 190mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 75°C vs 80°C.

Feature	Radeon PRO W6600	RTX A4000 Mobile
TDP	100W-13%	115W
Recommended PSU	500W	500W
Power Connector	PCIe-powered	PCIe-powered
Length	190mm	0mm
Height	111mm	0mm
Slots	2	0-100%
Temp (Load)	75°C-6%	80°C
Perf/Watt	149.3+16%	128.5