AMD Radeon RX 6600 XT VS NVIDIA GeForce GTX 1660
amd
Brand8GB GDDR6
Memory2048
Cores256 GB/s
BandwidthRadeon RX 6600 XT
VS
nvidia
Brand6GB GDDR5
Memory1408
Cores192.1 GB/s
BandwidthGeForce GTX 1660
AMD Radeon RX 6600 XT
8GB GDDR6 160W $299.99 Jul 2021
Radeon RX 6600 XT
$379 • Jul 2021
VS
GeForce GTX 1660
$219 • Mar 2019
NVIDIA GeForce GTX 1660
6GB GDDR5 120W N/A Mar 2019
Specs Comparison
| Specification | AMD Radeon RX 6600 XT | NVIDIA GeForce GTX 1660 |
|---|---|---|
| Memory Size | 8 GB | 6 GB |
| Memory Type | GDDR6 | GDDR5 |
| TDP | 160 W | 120 W |
| Core Clock | N/A | N/A |
| Boost Clock | 2589 MHz | 1785 MHz |
| Memory Bandwidth | 256 GB/s | 192.1 GB/s |
| Process Size | 7nm | 12nm |
| Architecture | RDNA 2.0 | Turing |
| Shading Units | 2048 | 1408 |
| RT Cores | 32 | N/A |
| TMUs | 128 | 88 |
| ROPs | 64 | 48 |
| Memory Bus | 128-bit | 192-bit |
| Memory Clock | 2000 MHz | 2001 MHz |
| Pixel Rate | 165.7 GPixel/s | 85.68 GPixel/s |
| Texture Rate | 256 GTexel/s | 192.1 GTexel/s |
| FP32 Performance | 10.6 GFLOPS | 5.027 GFLOPS |
| L2 Cache | 2.00 MB | 1.50 MB |
| Die Size | 237 mm² | 284 mm² |
| Transistors | 11060 Million | 6600 Million |
| Required PSU | 450 W | 300 W |
| Power Connectors | 1x 8-pin | 1x 8-pin |
| Bus Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| DirectX | 12.2 | 12.1 |
| 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 (+77%)
AMD Radeon RX 6600 XT
5094
NVIDIA GeForce GTX 1660
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
84088 (+40%)
AMD Radeon RX 6600 XT
60105
NVIDIA GeForce GTX 1660
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
116.8 FPS (+79%)
AMD Radeon RX 6600 XT
65.4 FPS
NVIDIA GeForce GTX 1660
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
16474 (+41%)
AMD Radeon RX 6600 XT
11656
NVIDIA GeForce GTX 1660
Game Benchmarks Comparison (25 benchmarks)
Onimusha: Way of the Sword
8 2026 • Action, Adventure, RPG CAPCOM Co., Ltd.
1080p
| ultra
Radeon RX 6600 XT (+64%)
AVG 77 FPS
MIN 66 FPS
GeForce GTX 1660
AVG 47 FPS
MIN 39 FPS
1440p
| ultra
Radeon RX 6600 XT (+52%)
AVG 50 FPS
MIN 44 FPS
GeForce GTX 1660
AVG 33 FPS
MIN 27 FPS
1080p
| ultra
| fsr balanced
Radeon RX 6600 XT (+61%)
AVG 98 FPS
MIN 89 FPS
GeForce GTX 1660
AVG 61 FPS
MIN 52 FPS
1440p
| ultra
| fsr balanced
Radeon RX 6600 XT (+64%)
AVG 77 FPS
MIN 70 FPS
GeForce GTX 1660
AVG 47 FPS
MIN 40 FPS
Winner
Loser
Resonance: A Plague Tale Legacy
7 2026 • Action, Adventure Asobo Studio
1080p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+59%)
AVG 62 FPS
MIN 54 FPS
GeForce GTX 1660
AVG 39 FPS
MIN 34 FPS
1440p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+67%)
AVG 45 FPS
MIN 39 FPS
GeForce GTX 1660
AVG 27 FPS
MIN 21 FPS
2160p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+160%)
AVG 26 FPS
MIN 20 FPS
GeForce GTX 1660
AVG 10 FPS
MIN 7 FPS
1080p
| ultra
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+58%)
AVG 84 FPS
MIN 77 FPS
GeForce GTX 1660
AVG 53 FPS
MIN 45 FPS
1440p
| ultra
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+65%)
AVG 66 FPS
MIN 57 FPS
GeForce GTX 1660
AVG 40 FPS
MIN 33 FPS
2160p
| ultra
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+78%)
AVG 41 FPS
MIN 35 FPS
GeForce GTX 1660
AVG 23 FPS
MIN 20 FPS
Winner
Loser
The Sinking City 2
7.5 2026 • Action, Adventure Frogwares
1080p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+17%)
AVG 41 FPS
MIN 35 FPS
GeForce GTX 1660
AVG 35 FPS
MIN 22 FPS
1440p
| ultra
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+41%)
AVG 31 FPS
MIN 26 FPS
GeForce GTX 1660
AVG 22 FPS
MIN 15 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 XT (+58%)
AVG 38 FPS
MIN 30 FPS
GeForce GTX 1660
AVG 24 FPS
MIN 19 FPS
1440p
| high
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+58%)
AVG 30 FPS
MIN 22 FPS
GeForce GTX 1660
AVG 19 FPS
MIN 12 FPS
2160p
| high
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+73%)
AVG 19 FPS
MIN 13 FPS
GeForce GTX 1660
AVG 11 FPS
MIN 7 FPS
1080p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+39%)
AVG 50 FPS
MIN 46 FPS
GeForce GTX 1660
AVG 36 FPS
MIN 31 FPS
1440p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+55%)
AVG 45 FPS
MIN 41 FPS
GeForce GTX 1660
AVG 29 FPS
MIN 25 FPS
2160p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+85%)
AVG 37 FPS
MIN 32 FPS
GeForce GTX 1660
AVG 20 FPS
MIN 17 FPS
Winner
Loser
007 First Light
8 2026 • Action, Adventure IO Interactive A/S
1080p
| high
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+100%)
AVG 46 FPS
MIN 38 FPS
GeForce GTX 1660
AVG 23 FPS
MIN 19 FPS
1440p
| high
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+113%)
AVG 32 FPS
MIN 26 FPS
GeForce GTX 1660
AVG 15 FPS
MIN 12 FPS
1080p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+72%)
AVG 67 FPS
MIN 58 FPS
GeForce GTX 1660
AVG 39 FPS
MIN 32 FPS
1440p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 XT (+83%)
AVG 53 FPS
MIN 46 FPS
GeForce GTX 1660
AVG 29 FPS
MIN 25 FPS
Winner
Loser
Scars Above
7.9 2023 • Action, Adventure Mad Head Games
1080p
| ultra
| Patch: v1.1
Radeon RX 6600 XT (+57%)
AVG 132 FPS
MIN 119 FPS
GeForce GTX 1660
AVG 84 FPS
MIN 75 FPS
1440p
| ultra
| Patch: v1.1
Radeon RX 6600 XT (+47%)
AVG 81 FPS
MIN 71 FPS
GeForce GTX 1660
AVG 55 FPS
MIN 50 FPS
2160p
| ultra
| Patch: v1.1
Radeon RX 6600 XT (+44%)
AVG 39 FPS
MIN 34 FPS
GeForce GTX 1660
AVG 27 FPS
MIN 25 FPS
Winner
Loser
No more benchmarks available for this comparison
AMD Radeon RX 6600 XT Wins!
Based on 25 benchmarks across 6 games
55
Avg FPS
Radeon RX 6600 XT
VS
+61.2%
34
Avg FPS
GeForce GTX 1660
AMD Radeon RX 6600 XT
AMD • 8GB GDDR6
25
Wins
55
Avg FPS
48
Min FPS
100%
Win Rate
NVIDIA GeForce GTX 1660
NVIDIA • 6GB GDDR5
0
Wins
34
Avg FPS
28
Min FPS
0%
Win Rate
Where to Buy
Compare with Similar GPUs
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