amd
Brand3GB GDDR5
Memory2048
Cores288 GB/s
BandwidthAMD Radeon HD 7990
nvidia
Brand6GB GDDR5
Memory1408
Cores192.1 GB/s
BandwidthNVIDIA GeForce GTX 1660
AMD Radeon HD 7990
Radeon HD 7990
$999 • Apr 2013
GeForce GTX 1660
$219 • Mar 2019
NVIDIA GeForce GTX 1660
Specs Comparison
| Specification | AMD Radeon HD 7990 | NVIDIA GeForce GTX 1660 |
|---|---|---|
| Memory Size | 3 GB | 6 GB |
| Memory Type | GDDR5 | GDDR5 |
| TDP | 375 W | 120 W |
| Core Clock | N/A | N/A |
| Boost Clock | 1000 MHz | 1785 MHz |
| Memory Bandwidth | 288 GB/s | 192.1 GB/s |
| Process Size | 28nm | 12nm |
| Architecture | GCN 1.0 | Turing |
| Shading Units | 2048 | 1408 |
| RT Cores | N/A | N/A |
| TMUs | 128 | 88 |
| ROPs | 32 | 48 |
| Memory Bus | 384-bit | 192-bit |
| Memory Clock | 1500 MHz | 2001 MHz |
| Pixel Rate | 32 GPixel/s | 85.68 GPixel/s |
| Texture Rate | 288 GTexel/s | 192.1 GTexel/s |
| FP32 Performance | 4.096 GFLOPS | 5.027 GFLOPS |
| L2 Cache | 0.75 MB | 1.50 MB |
| Die Size | 365 mm² | 284 mm² |
| Transistors | 4313 Million | 6600 Million |
| Required PSU | 750 W | 300 W |
| Power Connectors | 2x 8-pin | 1x 8-pin |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| DirectX | 11.1 | 12.1 |
| Vulkan | N/A | 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
AMD Radeon HD 7990
NVIDIA GeForce GTX 1660
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
AMD Radeon HD 7990
NVIDIA GeForce GTX 1660
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
AMD Radeon HD 7990
NVIDIA GeForce GTX 1660
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon HD 7990
NVIDIA GeForce GTX 1660
Game Benchmarks Comparison
No game benchmarks available for this combination of GPUs yet.
We're working on collecting performance data for this combination of GPUs. Please check back later.
NVIDIA GeForce GTX 1660 Wins!
Based on 4 synthetic benchmarks
AMD Radeon HD 7990
AMD • 3GB GDDR5
NVIDIA GeForce GTX 1660
NVIDIA • 6GB GDDR5
Most Compared GPUs
Comments & Discussion
Share your thoughts and experiences