AMD Radeon RX Vega 64 VS AMD Radeon RX 6600
amd
Brand8GB HBM2
Memory4096
Cores483.8 GB/s
BandwidthRadeon RX Vega 64
VS
amd
Brand8GB GDDR6
Memory1792
Cores224 GB/s
BandwidthRadeon RX 6600
AMD Radeon RX Vega 64
8GB HBM2 295W N/A Aug 2017
Radeon RX Vega 64
$499 • Aug 2017
VS
Radeon RX 6600
$329 • Oct 2021
AMD Radeon RX 6600
8GB GDDR6 132W N/A Oct 2021
Specs Comparison
| Specification | AMD Radeon RX Vega 64 | AMD Radeon RX 6600 |
|---|---|---|
| Memory Size | 8 GB | 8 GB |
| Memory Type | HBM2 | GDDR6 |
| TDP | 295 W | 132 W |
| Core Clock | N/A | N/A |
| Boost Clock | 1546 MHz | 2491 MHz |
| Memory Bandwidth | 483.8 GB/s | 224 GB/s |
| Process Size | 14nm | 7nm |
| Architecture | GCN 5.0 | RDNA 2.0 |
| Shading Units | 4096 | 1792 |
| RT Cores | N/A | 28 |
| TMUs | 256 | 112 |
| ROPs | 64 | 64 |
| Memory Bus | 2048-bit | 128-bit |
| Memory Clock | 945 MHz | 1750 MHz |
| Pixel Rate | 98.94 GPixel/s | 159.4 GPixel/s |
| Texture Rate | 483.8 GTexel/s | 224 GTexel/s |
| FP32 Performance | 12.66 GFLOPS | 8.928 GFLOPS |
| L2 Cache | 4.00 MB | 2.00 MB |
| Die Size | 495 mm² | 237 mm² |
| Transistors | 12500 Million | 11060 Million |
| Required PSU | 600 W | 300 W |
| Power Connectors | 2x 8-pin | 1x 8-pin |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| DirectX | 12.1 | 12.2 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Foundry | GlobalFoundries | TSMC |
Comparison in Synthetic Benchmarks
3DMark Time Spy
Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads
Graphics Score
7509 (+5%)
AMD Radeon RX Vega 64
7173
AMD Radeon RX 6600
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
52807
AMD Radeon RX Vega 64
58048 (+10%)
AMD Radeon RX 6600
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
90.6 FPS
AMD Radeon RX Vega 64
96.4 FPS (+6%)
AMD Radeon RX 6600
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
14143
AMD Radeon RX Vega 64
15115 (+7%)
AMD Radeon RX 6600
Game Benchmarks Comparison (111 benchmarks)
Onimusha: Way of the Sword
8 2026 • Action, Adventure, RPG CAPCOM Co., Ltd.
1080p
| ultra
Radeon RX 6600 (+20%)
AVG 66 FPS
MIN 57 FPS
Radeon RX Vega 64
AVG 55 FPS
MIN 44 FPS
1440p
| ultra
Radeon RX 6600 (+52%)
AVG 44 FPS
MIN 38 FPS
Radeon RX Vega 64
AVG 29 FPS
MIN 17 FPS
1080p
| ultra
| fsr balanced
Radeon RX 6600 (+23%)
AVG 85 FPS
MIN 77 FPS
Radeon RX Vega 64
AVG 69 FPS
MIN 57 FPS
1440p
| ultra
| fsr balanced
Radeon RX 6600 (+22%)
AVG 66 FPS
MIN 60 FPS
Radeon RX Vega 64
AVG 54 FPS
MIN 43 FPS
Winner
Loser
Resonance: A Plague Tale Legacy
7 2026 • Action, Adventure Asobo Studio
1080p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX Vega 64 (+2%)
AVG 54 FPS
MIN 47 FPS
Radeon RX 6600
AVG 53 FPS
MIN 47 FPS
1440p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+3%)
AVG 39 FPS
MIN 34 FPS
Radeon RX Vega 64
AVG 38 FPS
MIN 32 FPS
2160p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+5%)
AVG 23 FPS
MIN 18 FPS
Radeon RX Vega 64
AVG 22 FPS
MIN 18 FPS
1080p
| ultra
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+9%)
AVG 73 FPS
MIN 67 FPS
Radeon RX Vega 64
AVG 67 FPS
MIN 59 FPS
1440p
| ultra
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+10%)
AVG 57 FPS
MIN 49 FPS
Radeon RX Vega 64
AVG 52 FPS
MIN 46 FPS
2160p
| ultra
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX Vega 64 (+0%)
AVG 36 FPS
MIN 30 FPS
Radeon RX 6600 (+0%)
AVG 36 FPS
MIN 31 FPS
Winner
Loser
The Sinking City 2
7.5 2026 • Action, Adventure Frogwares
1080p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX Vega 64 (+9%)
AVG 38 FPS
MIN 25 FPS
Radeon RX 6600
AVG 35 FPS
MIN 30 FPS
1440p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX Vega 64 (+4%)
AVG 28 FPS
MIN 18 FPS
Radeon RX 6600
AVG 27 FPS
MIN 22 FPS
Winner
Loser
Assassin's Creed Black Flag Resynced
8 2026 • Action, Adventure Ubisoft Singapore, Ubisoft Barcelona, Ubisoft Bordeaux, Ubisoft Belgrade, Ubisoft Chengdu, Ubisoft India, Ubisoft Kyiv, Ubisoft Montpellier, Ubisoft Philippines, Ubisoft Quebec, Ubisoft Shanghai
1080p
| high
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+3%)
AVG 33 FPS
MIN 26 FPS
Radeon RX Vega 64
AVG 32 FPS
MIN 26 FPS
1440p
| high
| Patch: v1.0 | Old Hardware
Radeon RX Vega 64 (+4%)
AVG 27 FPS
MIN 20 FPS
Radeon RX 6600
AVG 26 FPS
MIN 19 FPS
2160p
| high
| Patch: v1.0 | Old Hardware
Radeon RX Vega 64 (+6%)
AVG 17 FPS
MIN 11 FPS
Radeon RX 6600
AVG 16 FPS
MIN 11 FPS
1080p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX Vega 64 (+0%)
AVG 44 FPS
MIN 40 FPS
Radeon RX 6600 (+0%)
AVG 44 FPS
MIN 40 FPS
1440p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX Vega 64 (+0%)
AVG 39 FPS
MIN 34 FPS
Radeon RX 6600 (+0%)
AVG 39 FPS
MIN 36 FPS
2160p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+3%)
AVG 32 FPS
MIN 27 FPS
Radeon RX Vega 64
AVG 31 FPS
MIN 25 FPS
Winner
Loser
Marvel’s Spider-Man Remastered
8.7 2022 • Action, Adventure, Casual Insomniac Games, Nixxes Software
1080p
| ultra
Radeon RX 6600 (+21%)
AVG 74 FPS
MIN 62 FPS
Radeon RX Vega 64
AVG 61 FPS
MIN 56 FPS
1440p
| ultra
Radeon RX 6600 (+10%)
AVG 54 FPS
MIN 48 FPS
Radeon RX Vega 64
AVG 49 FPS
MIN 44 FPS
2160p
| ultra
Radeon RX 6600 (+4%)
AVG 29 FPS
MIN 22 FPS
Radeon RX Vega 64
AVG 28 FPS
MIN 21 FPS
Winner
Loser
Scars Above
7.9 2023 • Action, Adventure Mad Head Games
1080p
| ultra
| Patch: v1.1
Radeon RX 6600 (+13%)
AVG 117 FPS
MIN 106 FPS
Radeon RX Vega 64
AVG 104 FPS
MIN 92 FPS
1440p
| ultra
| Patch: v1.1
Radeon RX Vega 64 (+4%)
AVG 72 FPS
MIN 61 FPS
Radeon RX 6600
AVG 69 FPS
MIN 60 FPS
2160p
| ultra
| Patch: v1.1
Radeon RX Vega 64 (+12%)
AVG 37 FPS
MIN 31 FPS
Radeon RX 6600
AVG 33 FPS
MIN 29 FPS
Winner
Loser
No more benchmarks available for this comparison
AMD Radeon RX 6600 Wins!
Based on 111 benchmarks across 32 games
59
Avg FPS
Radeon RX Vega 64
VS
+5.8%
62
Avg FPS
Radeon RX 6600
AMD Radeon RX Vega 64
AMD • 8GB HBM2
36
Wins
59
Avg FPS
49
Min FPS
32%
Win Rate
AMD Radeon RX 6600
AMD • 8GB GDDR6
60
Wins
62
Avg FPS
52
Min FPS
54%
Win Rate
Compare with Similar GPUs
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