AMD Radeon RX 6600 XT VS AMD Radeon RX 6800 XT
amd
Brand8GB GDDR6
Memory2048
Cores256 GB/s
BandwidthRadeon RX 6600 XT
VS
amd
Brand16GB GDDR6
Memory4608
Cores512 GB/s
BandwidthRadeon RX 6800 XT
AMD Radeon RX 6600 XT
8GB GDDR6 160W $299.99 Jul 2021
Radeon RX 6600 XT
$379 • Jul 2021
VS
Radeon RX 6800 XT
$649 • Oct 2020
AMD Radeon RX 6800 XT
16GB GDDR6 300W $379.99 Oct 2020
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Specs Comparison
| Specification | AMD Radeon RX 6600 XT | AMD Radeon RX 6800 XT |
|---|---|---|
| Memory Size | 8 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| TDP | 160 W | 300 W |
| Core Clock | N/A | N/A |
| Boost Clock | 2589 MHz | 2250 MHz |
| Memory Bandwidth | 256 GB/s | 512 GB/s |
| Process Size | 7nm | 7nm |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Shading Units | 2048 | 4608 |
| RT Cores | 32 | 72 |
| TMUs | 128 | 288 |
| ROPs | 64 | 128 |
| Memory Bus | 128-bit | 256-bit |
| Memory Clock | 2000 MHz | 2000 MHz |
| Pixel Rate | 165.7 GPixel/s | 288 GPixel/s |
| Texture Rate | 256 GTexel/s | 512 GTexel/s |
| FP32 Performance | 10.6 GFLOPS | 20.74 GFLOPS |
| L2 Cache | 2.00 MB | 4.00 MB |
| Die Size | 237 mm² | 520 mm² |
| Transistors | 11060 Million | 26800 Million |
| Required PSU | 450 W | 700 W |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Bus Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| DirectX | 12.2 | 12.2 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Foundry | TSMC | TSMC |
Comparison in Synthetic Benchmarks
3DMark Time Spy
Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads
Graphics Score
9026
AMD Radeon RX 6600 XT
17608 (+95%)
AMD Radeon RX 6800 XT
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
84088
AMD Radeon RX 6600 XT
138858 (+65%)
AMD Radeon RX 6800 XT
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
116.8 FPS
AMD Radeon RX 6600 XT
264.2 FPS (+126%)
AMD Radeon RX 6800 XT
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
16474
AMD Radeon RX 6600 XT
24994 (+52%)
AMD Radeon RX 6800 XT
Game Benchmarks Comparison (512 benchmarks)
Split Fiction
8.7 2025 • Action, Adventure Hazelight Studios
1080p
| ultra
Radeon RX 6800 XT (+97%)
AVG 154 FPS
MIN 132 FPS
Radeon RX 6600 XT
AVG 78 FPS
MIN 66 FPS
1440p
| ultra
Radeon RX 6800 XT (+102%)
AVG 117 FPS
MIN 103 FPS
Radeon RX 6600 XT
AVG 58 FPS
MIN 48 FPS
2160p
| ultra
Radeon RX 6800 XT (+112%)
AVG 70 FPS
MIN 58 FPS
Radeon RX 6600 XT
AVG 33 FPS
MIN 28 FPS
Winner
Loser
Marvel's Spider-Man 2
7.9 2025 • Action, Adventure Insomniac Games, Nixxes Software
1080p
| ultra
Radeon RX 6800 XT (+78%)
AVG 89 FPS
MIN 81 FPS
Radeon RX 6600 XT
AVG 50 FPS
MIN 38 FPS
1440p
| ultra
Radeon RX 6800 XT (+141%)
AVG 77 FPS
MIN 69 FPS
Radeon RX 6600 XT
AVG 32 FPS
MIN 27 FPS
2160p
| ultra
Radeon RX 6800 XT (+178%)
AVG 50 FPS
MIN 44 FPS
Radeon RX 6600 XT
AVG 18 FPS
MIN 14 FPS
1080p
| ultra
| RTX
Radeon RX 6800 XT (+185%)
AVG 37 FPS
MIN 33 FPS
Radeon RX 6600 XT
AVG 13 FPS
MIN 10 FPS
1440p
| ultra
| RTX
Radeon RX 6800 XT (+233%)
AVG 30 FPS
MIN 25 FPS
Radeon RX 6600 XT
AVG 9 FPS
MIN 6 FPS
2160p
| ultra
| RTX
Radeon RX 6800 XT (+533%)
AVG 19 FPS
MIN 13 FPS
Radeon RX 6600 XT
AVG 3 FPS
MIN 2 FPS
Winner
Loser
Sniper Elite Resistance
8.5 2025 • Action, Adventure Rebellion
1080p
| ultra
Radeon RX 6800 XT (+73%)
AVG 171 FPS
MIN 152 FPS
Radeon RX 6600 XT
AVG 99 FPS
MIN 82 FPS
1440p
| ultra
Radeon RX 6800 XT (+91%)
AVG 141 FPS
MIN 121 FPS
Radeon RX 6600 XT
AVG 74 FPS
MIN 64 FPS
2160p
| ultra
Radeon RX 6800 XT (+105%)
AVG 84 FPS
MIN 71 FPS
Radeon RX 6600 XT
AVG 41 FPS
MIN 33 FPS
Winner
Loser
FINAL FANTASY VII REBIRTH
8.1 2025 • Action, Adventure, RPG Square Enix
1080p
| ultra
Radeon RX 6800 XT (+72%)
AVG 74 FPS
MIN 65 FPS
Radeon RX 6600 XT
AVG 43 FPS
MIN 37 FPS
1440p
| ultra
Radeon RX 6800 XT (+75%)
AVG 63 FPS
MIN 55 FPS
Radeon RX 6600 XT
AVG 36 FPS
MIN 30 FPS
2160p
| ultra
Radeon RX 6800 XT (+100%)
AVG 42 FPS
MIN 37 FPS
Radeon RX 6600 XT
AVG 21 FPS
MIN 18 FPS
Winner
Loser
Assetto Corsa EVO
6 2025 • Racing, Simulation, Sports, Early Access KUNOS Simulazioni
1080p
| ultra
Radeon RX 6800 XT (+277%)
AVG 49 FPS
MIN 39 FPS
Radeon RX 6600 XT
AVG 13 FPS
MIN 10 FPS
1440p
| ultra
Radeon RX 6800 XT (+258%)
AVG 43 FPS
MIN 35 FPS
Radeon RX 6600 XT
AVG 12 FPS
MIN 9 FPS
2160p
| ultra
Radeon RX 6800 XT (+200%)
AVG 30 FPS
MIN 27 FPS
Radeon RX 6600 XT
AVG 10 FPS
MIN 8 FPS
Winner
Loser
DYNASTY WARRIORS ORIGINS
8.6 2025 • Action, RPG, Strategy KOEI TECMO GAMES CO., LTD.
1080p
| ultra
Radeon RX 6800 XT (+87%)
AVG 176 FPS
MIN 152 FPS
Radeon RX 6600 XT
AVG 94 FPS
MIN 84 FPS
1440p
| ultra
Radeon RX 6800 XT (+78%)
AVG 114 FPS
MIN 94 FPS
Radeon RX 6600 XT
AVG 64 FPS
MIN 52 FPS
2160p
| ultra
Radeon RX 6800 XT (+103%)
AVG 69 FPS
MIN 60 FPS
Radeon RX 6600 XT
AVG 34 FPS
MIN 31 FPS
Winner
Loser
No more benchmarks available for this comparison
AMD Radeon RX 6800 XT Wins!
Based on 512 benchmarks across 131 games
47
Avg FPS
Radeon RX 6600 XT
VS
+97.5%
92
Avg FPS
Radeon RX 6800 XT
AMD Radeon RX 6600 XT
AMD • 8GB GDDR6
0
Wins
47
Avg FPS
39
Min FPS
0%
Win Rate
AMD Radeon RX 6800 XT
AMD • 16GB GDDR6
509
Wins
92
Avg FPS
77
Min FPS
99%
Win Rate
Where to Buy
Compare with Similar GPUs
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