GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 5080
AMD Radeon HD 7990
Technical Specifications
| Specification | NVIDIA GeForce RTX 5080 | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | GB203 | Malta x2 |
| CoresDifferent | 10752 | 2048 x2 |
| TMUsDifferent | 336 | 128 x2 |
| ROPsDifferent | 112 | 32 x2 |
| Memory SizeDifferent | 16 GB | 3 GB x2 |
| Memory TypeDifferent | GDDR7 | GDDR5 |
| Bus WidthDifferent | 256 bit | 384 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | GB203 | Malta |
| GPU VariantDifferent | GB203-400-A1 | Malta XT(215-0849026) |
| ArchitectureDifferent | Blackwell 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process TypeDifferent | 4N FinFET | N/A |
| Process SizeDifferent | 5 nm | 28 nm |
| TransistorsDifferent | 45,600 million | 4,313 million |
| DensityDifferent | 120.6M / mm² | 11.8M / mm² |
| Die SizeDifferent | 378 mm² | 365 mm² |
Graphics Card
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Jan 30th, 2025 | Apr 24th, 2013 |
| AnnouncedDifferent | Jan 6th, 2025 | N/A |
| GenerationDifferent | GeForce 50 | Southern Islands(HD 7900) |
| PredecessorDifferent | GeForce 40 | Northern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch Price | 999 USD | 999 USD |
| Bus InterfaceDifferent | PCIe 5.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 72 in our database | 37 in our database |
| SuccessorDifferent | N/A | Sea Islands |
Clock Speeds
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 2295 MHz | 950 MHz |
| Boost ClockDifferent | 2617 MHz | 1000 MHz |
| Memory ClockDifferent | 1875 MHz30 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 16 GB | 3 GB |
| Memory TypeDifferent | GDDR7 | GDDR5 |
| Memory BusDifferent | 256 bit | 384 bit |
| BandwidthDifferent | 960.0 GB/s | 288.0 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 10752 | 2048 |
| TMUsDifferent | 336 | 128 |
| ROPsDifferent | 112 | 32 |
| SM CountDifferent | 84 | N/A |
| Tensor CoresDifferent | 336 | N/A |
| RT CoresDifferent | 84 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 16 KB (per CU) |
| L2 CacheDifferent | 64 MB | 768 KB |
| Compute UnitsDifferent | N/A | 32 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 293.1 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 879.3 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 56.28 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 56.28 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 879.3 GFLOPS (1:64) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| Length | 304 mm12 inches | 304 mm12 inches |
| HeightDifferent | 137 mm5.4 inches | 106 mm4.2 inches |
| WidthDifferent | 40 mm1.6 inches | 38 mm1.5 inches |
| TDPDifferent | 360 W | 375 W |
| Suggested PSU | 750 W | 750 W |
| OutputsDifferent | 1x HDMI 2.1b3x DisplayPort 2.1b | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 16-pin | 2x 8-pin |
| Board NumberDifferent | PG147 SKU 45 | 109-C47637-00A_02 |
Graphics Features
| Feature | NVIDIA GeForce RTX 5080 | AMD Radeon HD 7990 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 3.0 | 2.1 (1.2) |
| VulkanDifferent | 1.4 | 1.2.175 |
| CUDADifferent | 12.0 | N/A |
| Shader ModelDifferent | 6.8 | 6.5 (5.1) |
Comparison Summary
More Comparisons with NVIDIA GeForce RTX 5080
Compare NVIDIA GeForce RTX 5080 with other GPUs of similar performance
NVIDIA GeForce RTX 5080 vs GeForce RTX 4090
GeForce RTX 4090 is 16% faster than NVIDIA GeForce RTX 5080
NVIDIA GeForce RTX 5080 vs GeForce RTX 5080
GeForce RTX 5080 is 0% slower than NVIDIA GeForce RTX 5080
NVIDIA GeForce RTX 5080 vs GeForce RTX 4080 SUPER
GeForce RTX 4080 SUPER is 11% slower than NVIDIA GeForce RTX 5080
NVIDIA GeForce RTX 5080 vs GeForce RTX 4080
GeForce RTX 4080 is 11% slower than NVIDIA GeForce RTX 5080
NVIDIA GeForce RTX 5080 vs Radeon RX 7900 XTX
Radeon RX 7900 XTX is 12% slower than NVIDIA GeForce RTX 5080
NVIDIA GeForce RTX 5080 vs GeForce RTX 5070 Ti
GeForce RTX 5070 Ti is 13% slower than NVIDIA GeForce RTX 5080
More Comparisons with AMD Radeon HD 7990
Compare AMD Radeon HD 7990 with other GPUs of similar performance
AMD Radeon HD 7990 vs Radeon RX 590
Radeon RX 590 is 15% faster than AMD Radeon HD 7990
AMD Radeon HD 7990 vs Radeon R9 FURY
Radeon R9 FURY is 12% faster than AMD Radeon HD 7990
AMD Radeon HD 7990 vs GeForce GTX 980
GeForce GTX 980 is 11% faster than AMD Radeon HD 7990
AMD Radeon HD 7990 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER is 10% faster than AMD Radeon HD 7990
AMD Radeon HD 7990 vs Radeon RX 6500 XT
Radeon RX 6500 XT is 9% faster than AMD Radeon HD 7990
AMD Radeon HD 7990 vs Radeon RX 5500 XT
Radeon RX 5500 XT is 8% faster than AMD Radeon HD 7990

