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 W7900 Dual Slot vs Radeon RX 6600S 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 W7900 Dual Slot vs Radeon RX 6600S: 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 W7900 Dual Slot

2021

Why buy it

✅62.4% more average FPS across 50 tracked games in our benchmark data.
✅100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).

Trade-offs

❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
❌Radeon RX 6600S is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
❌
774.8% HIGHER MSRP
$3,499 MSRPvs$400 MSRP
❌Lower G3D Mark per dollar, at 3.8 vs 32.5 G3D/$ ($3,499 MSRP vs $400 MSRP).
❌400% higher power demand at 400W vs 80W.

Radeon RX 6600S

2022

Why buy it

✅Costs $3,099 less on MSRP ($400 MSRP vs $3,499 MSRP).
✅Delivers 763.7% more G3D Mark for each dollar spent, at 32.5 vs 3.8 G3D/$ ($400 MSRP vs $3,499 MSRP).
✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
✅Better long-term bet: RDNA 2.0 (2020−2025) on 7nm gives it a newer hardware base for upcoming games.
✅Draws 80W instead of 400W, a 320W reduction.

Trade-offs

❌Lower average FPS than Radeon PRO W7900 Dual Slot across 50 tracked games in our benchmark data.
❌Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.

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 62.4% in average FPS across 50 tracked games in our benchmark data and by 1.3% in PassMark G3D (13,182 vs 13,016), so the answer here is pretty clean.

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

Radeon RX 6600S is the safer long-term pick for 2026 and beyond. The case is simple: native frame generation with FSR Frame Generation + AFMF (2023), while Radeon PRO W7900 Dual Slot has no comparable frame-generation support and a newer 2022 generation instead of 2021. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon RX 6600S makes the most sense to buy today. It is $3,099 cheaper on MSRP at $400 vs $3,499, and it leads G3D-per-dollar by 763.7% (32.5 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 W7900 Dual Slot vs Radeon RX 6600S Technical Specifications

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

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.

Radeon RX 6600S

The Radeon RX 6600S is manufactured by AMD. It was released in January 4 2022. It features the RDNA 2.0 architecture. The core clock ranges from 1700 MHz to 2000 MHz. It has 1792 shading units. The thermal design power (TDP) is 80W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,016 points.

⚡

Graphics Performance

The Radeon PRO W7900 Dual Slot scores 13,182 and the Radeon RX 6600S reaches 13,016 in the G3D Mark benchmark — just a 1.3% difference, making them near-identical in rasterization performance. The Radeon PRO W7900 Dual Slot is built on RDNA 2.0 while the Radeon RX 6600S uses RDNA 2.0, both on a 7 nm process. Shader units: 3,840 (Radeon PRO W7900 Dual Slot) vs 1,792 (Radeon RX 6600S). Raw compute: 15.11 TFLOPS ×2 (Radeon PRO W7900 Dual Slot) vs 7.168 TFLOPS (Radeon RX 6600S). Boost clocks: 1967 MHz vs 2000 MHz. Ray tracing: 60 ×2 RT cores (Radeon PRO W7900 Dual Slot) vs 28 (Radeon RX 6600S).

Feature	Radeon PRO W7900 Dual Slot	Radeon RX 6600S
G3D Mark Score	13,182+1%	13,016
Architecture	RDNA 2.0	RDNA 2.0
Process Node	7 nm	7 nm
Shading Units	3840 ×2+114%	1792
Compute (TFLOPS)	15.11 TFLOPS ×2+111%	7.168 TFLOPS
Boost Clock	1967 MHz	2000 MHz+2%
ROPs	96 ×2+50%	64
TMUs	240 ×2+114%	112
L1 Cache	768 KB+50%	512 KB
L2 Cache	4 MB+100%	2 MB
Frame Generation	FSR upscaling + RSR	FSR 3 + AFMF
Ray Tracing Cores	60 ×2+114%	28

✨

Advanced Features (DLSS/FSR)

The clearest feature edge for the Radeon RX 6600S is support for FSR Frame Generation + AFMF. In games that support it, that can smooth out motion and lift perceived FPS. The Radeon PRO W7900 Dual Slot does not have comparable native support in the same tier.

Feature	Radeon PRO W7900 Dual Slot	Radeon RX 6600S
Upscaling Tech	FSR Upscaling / FSR 4	FSR 3
Frame Generation	Not Supported	FSR Frame Generation + AFMF
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

The Radeon PRO W7900 Dual Slot has 8 GB of VRAM, while the Radeon RX 6600S carries 4 GB. Radeon PRO W7900 Dual Slot gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 864 GB/s (Radeon PRO W7900 Dual Slot) vs 224 GB/s (Radeon RX 6600S) — a 285.7% advantage for the Radeon PRO W7900 Dual Slot. Memory bus width is 384-bit on the Radeon PRO W7900 Dual Slot and 128-bit on the Radeon RX 6600S. L2 Cache: 4 MB (Radeon PRO W7900 Dual Slot) vs 2 MB (Radeon RX 6600S) — the Radeon PRO W7900 Dual Slot has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon PRO W7900 Dual Slot	Radeon RX 6600S
VRAM Capacity	8 GB+100%	4 GB
Memory Type	GDDR6	GDDR6
Memory Bandwidth	864 GB/s+286%	224 GB/s
Bus Width	384-bit+200%	128-bit
L2 Cache	4 MB+100%	2 MB

🖥️

Display & API Support

DirectX support: 12.2 (Radeon PRO W7900 Dual Slot) vs 12_2 (Radeon RX 6600S). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 0.

Feature	Radeon PRO W7900 Dual Slot	Radeon RX 6600S
DirectX	12.2+2%	12_2
Vulkan	1.3	1.4+8%
OpenGL	4.6	4.6
Max Displays	4	0

🎬

Media & Encoding

Hardware encoder: VCN 4.0 (2x) (Radeon PRO W7900 Dual Slot) vs VCN 3.0 (Radeon RX 6600S). Decoder: VCN 4.0 (2x) vs VCN 3.0. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (Radeon PRO W7900 Dual Slot) vs H.264,H.265/HEVC (Radeon RX 6600S).

Feature	Radeon PRO W7900 Dual Slot	Radeon RX 6600S
Encoder	VCN 4.0 (2x)	VCN 3.0
Decoder	VCN 4.0 (2x)	VCN 3.0
Codecs	MPEG-2,H.264,HEVC,VP9,AV1	H.264,H.265/HEVC

🔌

Power & Dimensions

The Radeon PRO W7900 Dual Slot draws 400W versus the Radeon RX 6600S's 80W — a 133.3% difference. The Radeon RX 6600S is more power-efficient. Recommended PSU: 500W (Radeon PRO W7900 Dual Slot) vs 500W (Radeon RX 6600S). Power connectors: PCIe-powered vs Mobile. Card length: 280mm vs 1mm, occupying 2 vs 0 slots.

Feature	Radeon PRO W7900 Dual Slot	Radeon RX 6600S
TDP	400W	80W-80%
Recommended PSU	500W	500W
Power Connector	PCIe-powered	Mobile
Length	280mm	1mm
Height	111mm	—
Slots	2	0-100%
Temp (Load)	85°C	—
Perf/Watt	33.0	162.7+393%

💰

Value Analysis

At launch, the Radeon PRO W7900 Dual Slot came in at $3499, while the Radeon RX 6600S launched at $400. On MSRP, Radeon RX 6600S was 88.6% cheaper ($3099 less). Performance per dollar on MSRP (G3D Mark / MSRP): 3.8 (Radeon PRO W7900 Dual Slot) vs 32.5 (Radeon RX 6600S) — the Radeon RX 6600S offers 755.3% better value. The newer card here is Radeon RX 6600S (2022 vs 2021).

Feature	Radeon PRO W7900 Dual Slot	Radeon RX 6600S
MSRP	$3499	$400-89%
Performance per Dollar	3.8	32.5+755%
Codename	Navi 21	Navi 23
Release	August 3 2021	January 4 2022
Ranking	#157	#200

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