Radeon RX 6600S vs Radeon RX Vega 56

AMD

Radeon RX 6600S

2022Core: 1700 MHzBoost: 2000 MHz
Similar parts
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VS
AMD

Radeon RX Vega 56

2017Core: 1156 MHzBoost: 1471 MHz
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Radeon RX 6600S vs Radeon RX Vega 56 Performance Spectrum

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.

Radeon RX 6600S vs Radeon RX Vega 56 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 RX 6600S vs Radeon RX Vega 56: 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 RX 6600S

2022

Why buy it

  • 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 210W, a 130W reduction.
  • Measures 1mm instead of 280mm, a 279mm shorter card that is more SFF-friendly.

Trade-offs

  • Lower average FPS than Radeon RX Vega 56 across 50 tracked games in our benchmark data.
  • Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.
  • 0.3% HIGHER MSRP
    $400 MSRPvs$399 MSRP

Radeon RX Vega 56

2017

Why buy it

  • 20.9% more average FPS across 50 tracked games in our benchmark data.
  • Costs $1 less on MSRP ($399 MSRP vs $400 MSRP).
  • 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).
  • 2017 hardware with 8 GB of VRAM already sits in legacy territory for modern games.
  • 162.5% higher power demand at 210W vs 80W.
  • 27900% longer card at 280mm vs 1mm.

Quick Answers

Which GPU is faster for gaming right now?
Radeon RX Vega 56 is the faster gaming card right now. In our data, it leads by 20.9% in average FPS across 50 tracked games in our benchmark data and by 0.1% in PassMark G3D (13,026 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 RX Vega 56 has no comparable frame-generation support, a 7nm process instead of 14nm, 28 vs 0 ray-tracing units, and a newer 2022 generation instead of 2017. That gives it the more rounded hardware package for newer games.
Which GPU is the better buy today?
Radeon RX Vega 56 makes the most sense to buy today. It is $1 cheaper on MSRP at $399 vs $400, and it leads G3D-per-dollar by 0.3% (32.6 vs 32.5), so the value case lines up with the gaming result. If you are mainly targeting 1080p and lighter 1440p, Radeon RX Vega 56 is the easier value choice. If you care more about 1080p and lighter 1440p headroom, Radeon RX 6600S has the stronger long-term case.

Radeon RX 6600S vs Radeon RX Vega 56 Technical Specifications

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

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%
Frame Generation
FSR 3 + AFMF
FSR upscaling

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 RX Vega 56 does not have comparable native support in the same tier.

FeatureRadeon RX 6600SRadeon RX Vega 56
Upscaling Tech
FSR 3
FSR Upscaling / FSR 4
Frame Generation
FSR Frame Generation + AFMF
Not Supported
Ray Reconstruction
No
No
Low Latency
AMD Anti-Lag
AMD Anti-Lag
💾

Video Memory (VRAM)

The Radeon RX 6600S has 4 GB of VRAM, while the Radeon RX Vega 56 carries 8 GB. Radeon RX Vega 56 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. 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. Memory bus width is 128-bit on the Radeon RX 6600S and 2048-bit on the Radeon RX Vega 56. 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

At launch, the Radeon RX 6600S came in at $400, while the Radeon RX Vega 56 launched at $399. On MSRP, Radeon RX Vega 56 was 0.3% cheaper ($1 less). Performance per dollar on MSRP (G3D Mark / MSRP): 32.5 (Radeon RX 6600S) vs 32.6 (Radeon RX Vega 56) — the Radeon RX Vega 56 offers 0.3% better value. The newer card here is Radeon RX 6600S (2022 vs 2017).

FeatureRadeon RX 6600SRadeon RX Vega 56
MSRP
$400
$399
Performance per Dollar
32.5
32.6
Codename
Navi 23
Vega 10
Release
January 4 2022
August 14 2017
Ranking
#200
#199

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