NVIDIA GeForce GTX 1660 VS AMD Radeon RX 6600
nvidia
Brand6GB GDDR5
Memory1408
Cores192.1 GB/s
BandwidthGeForce GTX 1660
VS
amd
Brand8GB GDDR6
Memory1792
Cores224 GB/s
BandwidthRadeon RX 6600
NVIDIA GeForce GTX 1660
6GB GDDR5 120W N/A Mar 2019
GeForce GTX 1660
$219 • Mar 2019
VS
Radeon RX 6600
$329 • Oct 2021
AMD Radeon RX 6600
8GB GDDR6 132W N/A Oct 2021
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Specs Comparison
| Specification | NVIDIA GeForce GTX 1660 | AMD Radeon RX 6600 |
|---|---|---|
| Memory Size | 6 GB | 8 GB |
| Memory Type | GDDR5 | GDDR6 |
| TDP | 120 W | 132 W |
| Core Clock | N/A | N/A |
| Boost Clock | 1785 MHz | 2491 MHz |
| Memory Bandwidth | 192.1 GB/s | 224 GB/s |
| Process Size | 12nm | 7nm |
| Architecture | Turing | RDNA 2.0 |
| Shading Units | 1408 | 1792 |
| RT Cores | N/A | 28 |
| TMUs | 88 | 112 |
| ROPs | 48 | 64 |
| Memory Bus | 192-bit | 128-bit |
| Memory Clock | 2001 MHz | 1750 MHz |
| Pixel Rate | 85.68 GPixel/s | 159.4 GPixel/s |
| Texture Rate | 192.1 GTexel/s | 224 GTexel/s |
| FP32 Performance | 5.027 GFLOPS | 8.928 GFLOPS |
| L2 Cache | 1.50 MB | 2.00 MB |
| Die Size | 284 mm² | 237 mm² |
| Transistors | 6600 Million | 11060 Million |
| Required PSU | 300 W | 300 W |
| Power Connectors | 1x 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 | TSMC | TSMC |
Comparison in Synthetic Benchmarks
3DMark Time Spy
Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads
Graphics Score
5094
NVIDIA GeForce GTX 1660
7173 (+41%)
AMD Radeon RX 6600
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
60105 (+4%)
NVIDIA GeForce GTX 1660
58048
AMD Radeon RX 6600
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
65.4 FPS
NVIDIA GeForce GTX 1660
96.4 FPS (+47%)
AMD Radeon RX 6600
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
11656
NVIDIA GeForce GTX 1660
15115 (+30%)
AMD Radeon RX 6600
Game Benchmarks Comparison (13 benchmarks)
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 (+38%)
AVG 33 FPS
MIN 26 FPS
GeForce GTX 1660
AVG 24 FPS
MIN 19 FPS
1440p
| high
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+37%)
AVG 26 FPS
MIN 19 FPS
GeForce GTX 1660
AVG 19 FPS
MIN 12 FPS
2160p
| high
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+45%)
AVG 16 FPS
MIN 11 FPS
GeForce GTX 1660
AVG 11 FPS
MIN 7 FPS
1080p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+22%)
AVG 44 FPS
MIN 40 FPS
GeForce GTX 1660
AVG 36 FPS
MIN 31 FPS
1440p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+34%)
AVG 39 FPS
MIN 36 FPS
GeForce GTX 1660
AVG 29 FPS
MIN 25 FPS
2160p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+60%)
AVG 32 FPS
MIN 27 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 (+74%)
AVG 40 FPS
MIN 33 FPS
GeForce GTX 1660
AVG 23 FPS
MIN 19 FPS
1440p
| high
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+80%)
AVG 27 FPS
MIN 23 FPS
GeForce GTX 1660
AVG 15 FPS
MIN 12 FPS
1080p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+51%)
AVG 59 FPS
MIN 50 FPS
GeForce GTX 1660
AVG 39 FPS
MIN 32 FPS
1440p
| high
| fsr balanced
| Patch: v1.0 | Old Hardware
Radeon RX 6600 (+59%)
AVG 46 FPS
MIN 40 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 (+39%)
AVG 117 FPS
MIN 106 FPS
GeForce GTX 1660
AVG 84 FPS
MIN 75 FPS
1440p
| ultra
| Patch: v1.1
Radeon RX 6600 (+25%)
AVG 69 FPS
MIN 60 FPS
GeForce GTX 1660
AVG 55 FPS
MIN 50 FPS
2160p
| ultra
| Patch: v1.1
Radeon RX 6600 (+22%)
AVG 33 FPS
MIN 29 FPS
GeForce GTX 1660
AVG 27 FPS
MIN 25 FPS
Winner
Loser
AMD Radeon RX 6600 Wins!
Based on 13 benchmarks across 3 games
32
Avg FPS
GeForce GTX 1660
VS
+41.4%
45
Avg FPS
Radeon RX 6600
NVIDIA GeForce GTX 1660
NVIDIA • 6GB GDDR5
0
Wins
32
Avg FPS
27
Min FPS
0%
Win Rate
AMD Radeon RX 6600
AMD • 8GB GDDR6
13
Wins
45
Avg FPS
38
Min FPS
100%
Win Rate
Compare with Similar GPUs
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