Radeon RX Vega 56 vs Radeon RX 6600S

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Per Dollar Radeon RX 6600S

#28

Radeon RX 6650M XT

MSRP: $400|Avg: $400

131%

#30

Radeon 8050S

MSRP: $400|Avg: $400

125%

#31

Radeon RX 8050S

MSRP: $400|Avg: $400

124%

#39

Radeon RX 7700S

MSRP: $449|Avg: $350

106%

#42

Radeon RX 6600S

MSRP: $400|Avg: $400

100%

#43

Radeon RX 8060S

MSRP: $500|Avg: $500

98%

#47

Radeon RX 6700S

MSRP: $479|Avg: $300

97%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon RX 6600S uses modern memory architecture. The Radeon RX 6600S likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon RX Vega 56 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon RX Vega 56 is the superior choice for raw performance. It leads with a 0.1% higher G3D Mark score and 100% more VRAM (8 GB vs 4 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX 6600S.

Insight	Radeon RX Vega 56	Radeon RX 6600S
Performance	✅Leading raw performance (+0.1%)	❌Lower raw frame rates (-0.1%)
Longevity	🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020))	🔮Strong Longevity (RDNA 2.0 (2020−2025) / 7nm)
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+100%)	🎮 High Capacity (4 GB)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
Case Fit	Standard Size (280mm)	📏 Compact / SFF Friendly

💎 Value Proposition

The Radeon RX Vega 56 offers a compelling cost-to-performance ratio. Priced at $75 versus $400 for the Radeon RX 6600S, it costs 81% less. While it maintains competitive performance, this results in a 433.7% higher cost efficiency score.

Insight	Radeon RX Vega 56	Radeon RX 6600S
Cost Efficiency	✅Better overall value (+433.7%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($75)	⚠️Higher upfront cost ($400)

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Radeon RX Vega 56 Benchmark Check

Radeon RX 6600S Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon RX Vega 56 and Radeon RX 6600S

Radeon RX Vega 56

The Radeon RX Vega 56 is manufactured by AMD. It was released in August 14 2017. It features the GCN 5.0 architecture. The core clock ranges from 1156 MHz to 1471 MHz. It has 3584 shading units. The thermal design power (TDP) is 210W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 13,026 points. Launch price was $399.

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 RX Vega 56 scores 13,026 and the Radeon RX 6600S reaches 13,016 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon RX Vega 56 is built on GCN 5.0 while the Radeon RX 6600S uses RDNA 2.0, both on 14 nm vs 7 nm. Shader units: 3,584 (Radeon RX Vega 56) vs 1,792 (Radeon RX 6600S). Raw compute: 10.54 TFLOPS (Radeon RX Vega 56) vs 7.168 TFLOPS (Radeon RX 6600S). Boost clocks: 1471 MHz vs 2000 MHz.

Feature	Radeon RX Vega 56	Radeon RX 6600S
G3D Mark Score	13,026	13,016
Architecture	GCN 5.0	RDNA 2.0
Process Node	14 nm	7 nm
Shading Units	3584+100%	1792
Compute (TFLOPS)	10.54 TFLOPS+47%	7.168 TFLOPS
Boost Clock	1471 MHz	2000 MHz+36%
ROPs	64	64
TMUs	224+100%	112
L1 Cache	896 KB+75%	512 KB
L2 Cache	4 MB+100%	2 MB

✨

Advanced Features (DLSS/FSR)

A critical advantage for the Radeon RX 6600S is support for FSR 3 / AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The Radeon RX Vega 56 lacks specific hardware/driver support for this native frame generation tier.

Feature	Radeon RX Vega 56	Radeon RX 6600S
Upscaling Tech	FSR 1.0 (Software)	FSR 3 (Native)
Frame Generation	Not Supported	FSR 3 / AFMF (Driver)
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

The Radeon RX Vega 56 comes with 8 GB of VRAM, while the Radeon RX 6600S has 4 GB. The Radeon RX Vega 56 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 410 GB/s (Radeon RX Vega 56) vs 224 GB/s (Radeon RX 6600S) — a 83% advantage for the Radeon RX Vega 56. Bus width: 2048-bit vs 128-bit. L2 Cache: 4 MB (Radeon RX Vega 56) vs 2 MB (Radeon RX 6600S) — the Radeon RX Vega 56 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon RX Vega 56	Radeon RX 6600S
VRAM Capacity	8 GB+100%	4 GB
Memory Type	HBM2	GDDR6
Memory Bandwidth	410 GB/s+83%	224 GB/s
Bus Width	2048-bit+1500%	128-bit
L2 Cache	4 MB+100%	2 MB

🖥️

Display & API Support

DirectX support: 12 (12_1) (Radeon RX Vega 56) 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 RX Vega 56	Radeon RX 6600S
DirectX	12 (12_1)	12_2
Vulkan	1.3	1.4+8%
OpenGL	4.6	4.6
Max Displays	4	0

🎬

Media & Encoding

Hardware encoder: VCE 4.0 (Radeon RX Vega 56) vs VCN 3.0 (Radeon RX 6600S). Decoder: UVD 7.0 vs VCN 3.0. Supported codecs: H.264,H.265,VP9 (Radeon RX Vega 56) vs H.264,H.265/HEVC (Radeon RX 6600S).

Feature	Radeon RX Vega 56	Radeon RX 6600S
Encoder	VCE 4.0	VCN 3.0
Decoder	UVD 7.0	VCN 3.0
Codecs	H.264,H.265,VP9	H.264,H.265/HEVC

🔌

Power & Dimensions

The Radeon RX Vega 56 draws 210W versus the Radeon RX 6600S's 80W — a 89.7% difference. The Radeon RX 6600S is more power-efficient. Recommended PSU: 650W (Radeon RX Vega 56) vs 500W (Radeon RX 6600S). Power connectors: 2x 8-pin vs Mobile. Card length: 280mm vs 1mm, occupying 2 vs 0 slots.

Feature	Radeon RX Vega 56	Radeon RX 6600S
TDP	210W	80W-62%
Recommended PSU	650W	500W-23%
Power Connector	2x 8-pin	Mobile
Length	280mm	1mm
Height	111mm	—
Slots	2	0-100%
Temp (Load)	75	—
Perf/Watt	62.0	162.7+162%

💰

Value Analysis

The Radeon RX Vega 56 launched at $399 MSRP and currently averages $75, while the Radeon RX 6600S launched at $400 and now averages $400. The Radeon RX Vega 56 costs 81.3% less ($325 savings) at current market prices. Performance per dollar (G3D Mark / price): 173.7 (Radeon RX Vega 56) vs 32.5 (Radeon RX 6600S) — the Radeon RX Vega 56 offers 434.5% better value. The Radeon RX 6600S is the newer GPU (2022 vs 2017).