Radeon RX 6600 LE vs Radeon RX Vega 64

AMD

Radeon RX 6600 LE

2023Core: 1626 MHzBoost: 2495 MHz
RX family
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VS
AMD

Radeon RX Vega 64

2017Core: 1247 MHzBoost: 1546 MHz
Similar parts
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Radeon RX 6600 LE vs Radeon RX Vega 64 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 6600 LE vs Radeon RX Vega 64 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 6600 LE vs Radeon RX Vega 64: 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 6600 LE

2023

Why buy it

  • Costs $170 less on MSRP ($329 MSRP vs $499 MSRP).
  • Delivers 49.6% more G3D Mark for each dollar spent, at 41.8 vs 28.0 G3D/$ ($329 MSRP vs $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 132W instead of 295W, a 163W reduction.

Trade-offs

  • Lower average FPS than Radeon RX Vega 64 across 50 tracked games in our benchmark data.

Radeon RX Vega 64

2017

Why buy it

  • 0.2% more average FPS across 50 tracked games in our benchmark data.

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.
  • 51.7% HIGHER MSRP
    $499 MSRPvs$329 MSRP
  • Lower G3D Mark per dollar, at 28.0 vs 41.8 G3D/$ ($499 MSRP vs $329 MSRP).
  • 123.5% higher power demand at 295W vs 132W.

Quick Answers

Which GPU is faster for gaming right now?
Radeon RX Vega 64 is the faster gaming card right now. In our data, it leads by 0.2% in average FPS across 50 tracked games in our benchmark data and by 1.4% in PassMark G3D (13,949 vs 13,758), so the answer here is pretty clean.
Which GPU is the safer long-term pick for 2026 and beyond?
Radeon RX 6600 LE 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 64 has no comparable frame-generation support, a 7nm process instead of 14nm, 28 vs 0 ray-tracing units, and a newer 2023 generation instead of 2017. That gives it the more rounded hardware package for newer games.
Which GPU is the better buy today?
Radeon RX 6600 LE makes the most sense to buy today. It is $170 cheaper on MSRP at $329 vs $499, and it leads G3D-per-dollar by 49.6% (41.8 vs 28.0), which is enough to swing the recommendation its way. Radeon RX Vega 64 still makes more sense if max raw gaming performance matters more than value.

Radeon RX 6600 LE vs Radeon RX Vega 64 Technical Specifications

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

AMD

Radeon RX 6600 LE

The Radeon RX 6600 LE is manufactured by AMD. It was released in December 8 2023. It features the RDNA 2.0 architecture. The core clock ranges from 1626 MHz to 2495 MHz. It has 1792 shading units. The thermal design power (TDP) is 132W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,758 points.

AMD

Radeon RX Vega 64

The Radeon RX Vega 64 is manufactured by AMD. It was released in August 7 2017. It features the GCN 5.0 architecture. The core clock ranges from 1247 MHz to 1546 MHz. It has 4096 shading units. The thermal design power (TDP) is 295W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 13,949 points. Launch price was $499.

Graphics Performance

The Radeon RX 6600 LE scores 13,758 and the Radeon RX Vega 64 reaches 13,949 in the G3D Mark benchmark — just a 1.4% difference, making them near-identical in rasterization performance. The Radeon RX 6600 LE is built on RDNA 2.0 while the Radeon RX Vega 64 uses GCN 5.0, both on 7 nm vs 14 nm. Shader units: 1,792 (Radeon RX 6600 LE) vs 4,096 (Radeon RX Vega 64). Raw compute: 8.942 TFLOPS (Radeon RX 6600 LE) vs 12.66 TFLOPS (Radeon RX Vega 64). Boost clocks: 2495 MHz vs 1546 MHz.

FeatureRadeon RX 6600 LERadeon RX Vega 64
G3D Mark Score
13,758
13,949+1%
Architecture
RDNA 2.0
GCN 5.0
Process Node
7 nm
14 nm
Shading Units
1792
4096+129%
Compute (TFLOPS)
8.942 TFLOPS
12.66 TFLOPS+42%
Boost Clock
2495 MHz+61%
1546 MHz
ROPs
64
64
TMUs
112
256+129%
L1 Cache
0.5 MB
1 MB+100%
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 6600 LE 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 64 does not have comparable native support in the same tier.

FeatureRadeon RX 6600 LERadeon RX Vega 64
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)

Both cards ship with 8 GB of video memory. Memory bandwidth: 224 GB/s (Radeon RX 6600 LE) vs 484 GB/s (Radeon RX Vega 64) — a 116.1% advantage for the Radeon RX Vega 64. Memory bus width is 128-bit on the Radeon RX 6600 LE and 2048-bit on the Radeon RX Vega 64. L2 Cache: 2 MB (Radeon RX 6600 LE) vs 4 MB (Radeon RX Vega 64) — the Radeon RX Vega 64 has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon RX 6600 LERadeon RX Vega 64
VRAM Capacity
8 GB
8 GB
Memory Type
GDDR6
HBM2
Memory Bandwidth
224 GB/s
484 GB/s+116%
Bus Width
128-bit
2048-bit+1500%
L2 Cache
2 MB
4 MB+100%
🖥️

Display & API Support

DirectX support: 12.2 (Radeon RX 6600 LE) vs 12.1 (Radeon RX Vega 64). Vulkan: 1.4 vs 1.1. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

FeatureRadeon RX 6600 LERadeon RX Vega 64
DirectX
12.2
12.1
Vulkan
1.4+27%
1.1
OpenGL
4.6
4.6
Max Displays
4
4
🎬

Media & Encoding

Hardware encoder: VCN 3.0 (Radeon RX 6600 LE) vs VCE 4.0 (Radeon RX Vega 64). Decoder: VCN 3.0 vs UVD 7.0. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (Radeon RX 6600 LE) vs MPEG-2,H.264,HEVC,VP9 (Radeon RX Vega 64).

FeatureRadeon RX 6600 LERadeon RX Vega 64
Encoder
VCN 3.0
VCE 4.0
Decoder
VCN 3.0
UVD 7.0
Codecs
MPEG-2,H.264,HEVC,VP9,AV1
MPEG-2,H.264,HEVC,VP9
🔌

Power & Dimensions

The Radeon RX 6600 LE draws 132W versus the Radeon RX Vega 64's 295W — a 76.3% difference. The Radeon RX 6600 LE is more power-efficient. Recommended PSU: 450W (Radeon RX 6600 LE) vs 750W (Radeon RX Vega 64). Power connectors: 8-pin vs 2x 8-pin. Card length: 190mm vs 267mm, occupying 2 vs 2 slots. Typical load temperature: 75°C vs 85°C.

FeatureRadeon RX 6600 LERadeon RX Vega 64
TDP
132W-55%
295W
Recommended PSU
450W-40%
750W
Power Connector
8-pin
2x 8-pin
Length
190mm
267mm
Height
110mm
111mm
Slots
2
2
Temp (Load)
75°C-12%
85°C
Perf/Watt
104.2+120%
47.3
💰

Value Analysis

At launch, the Radeon RX 6600 LE came in at $329, while the Radeon RX Vega 64 launched at $499. On MSRP, Radeon RX 6600 LE was 34.1% cheaper ($170 less). Performance per dollar on MSRP (G3D Mark / MSRP): 41.8 (Radeon RX 6600 LE) vs 28.0 (Radeon RX Vega 64) — the Radeon RX 6600 LE offers 49.3% better value. The newer card here is Radeon RX 6600 LE (2023 vs 2017).

FeatureRadeon RX 6600 LERadeon RX Vega 64
MSRP
$329-34%
$499
Performance per Dollar
41.8+49%
28.0
Codename
Navi 23
Vega 10
Release
December 8 2023
August 7 2017
Ranking
#176
#171

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