Radeon RX 6600S
VS
Radeon RX Vega 56

Radeon RX 6600S vs Radeon RX Vega 56

AMD

Radeon RX 6600S

2022Core: 1700 MHzBoost: 2000 MHz
VS
AMD

Radeon RX Vega 56

2017Core: 1156 MHzBoost: 1471 MHz

Performance Spectrum - GPU

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.

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 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 Per Dollar

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.

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

💎 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.

InsightRadeon RX 6600SRadeon RX Vega 56
Cost Efficiency
Lower cost efficiency
Better overall value (+433.7%)
Upfront Cost
⚠️Higher upfront cost ($400)
More affordable ($75)

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.

Technical Specifications

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

AMD

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.

AMD

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.

Graphics Performance

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

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

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.

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

Video Memory (VRAM)

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

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

Display & API Support

DirectX support: 12_2 (Radeon RX 6600S) vs 12 (12_1) (Radeon RX Vega 56). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 0 vs 4.

FeatureRadeon RX 6600SRadeon RX Vega 56
DirectX
12_2
12 (12_1)
Vulkan
1.4+8%
1.3
OpenGL
4.6
4.6
Max Displays
0
4
🎬

Media & Encoding

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

FeatureRadeon RX 6600SRadeon RX Vega 56
Encoder
VCN 3.0
VCE 4.0
Decoder
VCN 3.0
UVD 7.0
Codecs
H.264,H.265/HEVC
H.264,H.265,VP9
🔌

Power & Dimensions

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

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

Value Analysis

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

FeatureRadeon RX 6600SRadeon RX Vega 56
MSRP
$400
$399
Avg Price (30d)
$400
$75-81%
Performance per Dollar
32.5
173.7+434%
Codename
Navi 23
Vega 10
Release
January 4 2022
August 14 2017
Ranking
#200
#199