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 W6600X vs Radeon PRO W7900 Dual Slot 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 W6600X vs Radeon PRO W7900 Dual Slot: 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 W6600X

2021

Why buy it

✅Costs $2,800 less on MSRP ($699 MSRP vs $3,499 MSRP).
✅Delivers 398% more G3D Mark for each dollar spent, at 18.8 vs 3.8 G3D/$ ($699 MSRP vs $3,499 MSRP).
✅Draws 120W instead of 400W, a 280W reduction.
✅Measures 241mm instead of 280mm, a 39mm shorter card that is more SFF-friendly.

Trade-offs

❌Lower average FPS than Radeon PRO W7900 Dual Slot across 50 tracked games in our benchmark data.

Radeon PRO W7900 Dual Slot

2021

Why buy it

✅24.1% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

❌
400.6% HIGHER MSRP
$3,499 MSRPvs$699 MSRP
❌Lower G3D Mark per dollar, at 3.8 vs 18.8 G3D/$ ($3,499 MSRP vs $699 MSRP).
❌233.3% higher power demand at 400W vs 120W.
❌16.2% longer card at 280mm vs 241mm.

Quick Answers

Which GPU is faster for gaming right now?

Radeon PRO W7900 Dual Slot is the faster gaming card right now. In our data, it leads by 24.1% in average FPS across 50 tracked games in our benchmark data and by 0.5% in PassMark G3D (13,182 vs 13,113), so the answer here is pretty clean.

Which GPU is the safer long-term pick for 2026 and beyond?

Radeon PRO W6600X 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 PRO W6600X makes the most sense to buy today. It is $2,800 cheaper on MSRP at $699 vs $3,499, and it leads G3D-per-dollar by 398% (18.8 vs 3.8), which is enough to swing the recommendation its way. Radeon PRO W7900 Dual Slot still makes more sense if max raw gaming performance matters more than value.

Radeon PRO W6600X vs Radeon PRO W7900 Dual Slot Technical Specifications

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

Radeon PRO W6600X

The Radeon PRO W6600X is manufactured by AMD. It was released in August 3 2021. It features the RDNA 2.0 architecture. The core clock ranges from 2068 MHz to 2479 MHz. It has 2048 shading units. The thermal design power (TDP) is 120W. Manufactured using 7 nm process technology. It features 32 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,113 points. Launch price was $699.

Radeon PRO W7900 Dual Slot

The Radeon PRO W7900 Dual Slot is manufactured by AMD. It was released in August 3 2021. It features the RDNA 2.0 architecture. The core clock ranges from 1800 MHz to 1967 MHz. It has 3840 ×2 shading units. The thermal design power (TDP) is 400W. Manufactured using 7 nm process technology. It features 60 ×2 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,182 points. Launch price was $4,999.

⚡

Graphics Performance

The Radeon PRO W6600X scores 13,113 and the Radeon PRO W7900 Dual Slot reaches 13,182 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The Radeon PRO W6600X is built on RDNA 2.0 while the Radeon PRO W7900 Dual Slot uses RDNA 2.0, both on a 7 nm process. Shader units: 2,048 (Radeon PRO W6600X) vs 3,840 (Radeon PRO W7900 Dual Slot). Raw compute: 10.15 TFLOPS (Radeon PRO W6600X) vs 15.11 TFLOPS ×2 (Radeon PRO W7900 Dual Slot). Boost clocks: 2479 MHz vs 1967 MHz. Ray tracing: 32 RT cores (Radeon PRO W6600X) vs 60 ×2 (Radeon PRO W7900 Dual Slot).

Feature	Radeon PRO W6600X	Radeon PRO W7900 Dual Slot
G3D Mark Score	13,113	13,182
Architecture	RDNA 2.0	RDNA 2.0
Process Node	7 nm	7 nm
Shading Units	2048	3840 ×2+88%
Compute (TFLOPS)	10.15 TFLOPS	15.11 TFLOPS ×2+49%
Boost Clock	2479 MHz+26%	1967 MHz
ROPs	64	96 ×2+50%
TMUs	128	240 ×2+88%
L1 Cache	512 KB	768 KB+50%
L2 Cache	2 MB	4 MB+100%
Frame Generation	FSR upscaling + RSR	FSR upscaling + RSR
Ray Tracing Cores	32	60 ×2+88%

✨

Advanced Features (DLSS/FSR)

Feature	Radeon PRO W6600X	Radeon PRO W7900 Dual Slot
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards ship with 8 GB of GDDR6. Memory bandwidth: 224 GB/s (Radeon PRO W6600X) vs 864 GB/s (Radeon PRO W7900 Dual Slot) — a 285.7% advantage for the Radeon PRO W7900 Dual Slot. Memory bus width is 256-bit on the Radeon PRO W6600X and 384-bit on the Radeon PRO W7900 Dual Slot. L2 Cache: 2 MB (Radeon PRO W6600X) vs 4 MB (Radeon PRO W7900 Dual Slot) — the Radeon PRO W7900 Dual Slot has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon PRO W6600X	Radeon PRO W7900 Dual Slot
VRAM Capacity	8 GB	8 GB
Memory Type	GDDR6	GDDR6
Memory Bandwidth	224 GB/s	864 GB/s+286%
Bus Width	256-bit	384-bit+50%
L2 Cache	2 MB	4 MB+100%

🖥️

Display & API Support

DirectX support: 12.2 (Radeon PRO W6600X) vs 12.2 (Radeon PRO W7900 Dual Slot). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

Feature	Radeon PRO W6600X	Radeon PRO W7900 Dual Slot
DirectX	12.2	12.2
Vulkan	1.3	1.3
OpenGL	4.6	4.6
Max Displays	4	4

🎬

Media & Encoding

Hardware encoder: VCN 3.0 (Radeon PRO W6600X) vs VCN 4.0 (2x) (Radeon PRO W7900 Dual Slot). Decoder: VCN 3.0 vs VCN 4.0 (2x). Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (Radeon PRO W6600X) vs MPEG-2,H.264,HEVC,VP9,AV1 (Radeon PRO W7900 Dual Slot).

Feature	Radeon PRO W6600X	Radeon PRO W7900 Dual Slot
Encoder	VCN 3.0	VCN 4.0 (2x)
Decoder	VCN 3.0	VCN 4.0 (2x)
Codecs	MPEG-2,H.264,HEVC,VP9,AV1	MPEG-2,H.264,HEVC,VP9,AV1

🔌

Power & Dimensions

The Radeon PRO W6600X draws 120W versus the Radeon PRO W7900 Dual Slot's 400W — a 107.7% difference. The Radeon PRO W6600X is more power-efficient. Recommended PSU: 500W (Radeon PRO W6600X) vs 500W (Radeon PRO W7900 Dual Slot). Power connectors: PCIe-powered vs PCIe-powered. Card length: 241mm vs 280mm, occupying 2 vs 2 slots. Typical load temperature: 75°C vs 85°C.

Feature	Radeon PRO W6600X	Radeon PRO W7900 Dual Slot
TDP	120W-70%	400W
Recommended PSU	500W	500W
Power Connector	PCIe-powered	PCIe-powered
Length	241mm	280mm
Height	111mm	111mm
Slots	2	2
Temp (Load)	75°C-12%	85°C
Perf/Watt	109.3+231%	33.0

💰

Value Analysis

At launch, the Radeon PRO W6600X came in at $699, while the Radeon PRO W7900 Dual Slot launched at $3499. On MSRP, Radeon PRO W6600X was 80% cheaper ($2800 less). Performance per dollar on MSRP (G3D Mark / MSRP): 18.8 (Radeon PRO W6600X) vs 3.8 (Radeon PRO W7900 Dual Slot) — the Radeon PRO W6600X offers 394.7% better value.

Feature	Radeon PRO W6600X	Radeon PRO W7900 Dual Slot
MSRP	$699-80%	$3499
Performance per Dollar	18.8+395%	3.8
Codename	Navi 23	Navi 21
Release	August 3 2021	August 3 2021
Ranking	#197	#157

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