amd
Brand3GB GDDR5
Memory2048
Cores288 GB/s
BandwidthAMD Radeon HD 7990
nvidia
Brand24GB GDDR6X
Memory16384
Cores1010 GB/s
BandwidthNVIDIA GeForce RTX 4090
AMD Radeon HD 7990
Radeon HD 7990
$999 • Apr 2013
GeForce RTX 4090
$1599 • Sep 2022
NVIDIA GeForce RTX 4090
Specs Comparison
| Specification | AMD Radeon HD 7990 | NVIDIA GeForce RTX 4090 |
|---|---|---|
| Memory Size | 3 GB | 24 GB |
| Memory Type | GDDR5 | GDDR6X |
| TDP | 375 W | 450 W |
| Core Clock | N/A | N/A |
| Boost Clock | 1000 MHz | 2520 MHz |
| Memory Bandwidth | 288 GB/s | 1010 GB/s |
| Process Size | 28nm | 5nm |
| Architecture | GCN 1.0 | Ada Lovelace |
| Shading Units | 2048 | 16384 |
| RT Cores | N/A | 128 |
| TMUs | 128 | 512 |
| ROPs | 32 | 176 |
| Memory Bus | 384-bit | 384-bit |
| Memory Clock | 1500 MHz | 1313 MHz |
| Pixel Rate | 32 GPixel/s | 443.5 GPixel/s |
| Texture Rate | 288 GTexel/s | 1.01 GTexel/s |
| FP32 Performance | 4.096 GFLOPS | 82.58 GFLOPS |
| L2 Cache | 0.75 MB | 72.00 MB |
| Die Size | 365 mm² | 609 mm² |
| Transistors | 4313 Million | 76300 Million |
| Required PSU | 750 W | 850 W |
| Power Connectors | 2x 8-pin | 1x 16-pin |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| DirectX | 11.1 | 12.2 |
| 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 RTX 4090
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
AMD Radeon HD 7990
NVIDIA GeForce RTX 4090
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 RTX 4090
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon HD 7990
NVIDIA GeForce RTX 4090
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 RTX 4090 Wins!
Based on 4 synthetic benchmarks
AMD Radeon HD 7990
AMD • 3GB GDDR5
NVIDIA GeForce RTX 4090
NVIDIA • 24GB GDDR6X
Most Compared GPUs
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