GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 1080 Ti
AMD Radeon HD 7990
Technical Specifications
| Specification | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | GP102 | Malta x2 |
| CoresDifferent | 3584 | 2048 x2 |
| TMUsDifferent | 224 | 128 x2 |
| ROPsDifferent | 88 | 32 x2 |
| Memory SizeDifferent | 11 GB | 3 GB x2 |
| Memory TypeDifferent | GDDR5X | GDDR5 |
| Bus WidthDifferent | 352 bit | 384 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | GP102 | Malta |
| GPU VariantDifferent | GP102-350-K1-A1 | Malta XT(215-0849026) |
| ArchitectureDifferent | Pascal | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 16 nm | 28 nm |
| TransistorsDifferent | 11,800 million | 4,313 million |
| DensityDifferent | 25.1M / mm² | 11.8M / mm² |
| Die SizeDifferent | 471 mm² | 365 mm² |
| Chip PackageDifferent | BGA-2397 | N/A |
Graphics Card
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Mar 10th, 2017 | Apr 24th, 2013 |
| GenerationDifferent | GeForce 10 | Southern Islands(HD 7900) |
| PredecessorDifferent | GeForce 900 | Northern Islands |
| SuccessorDifferent | GeForce 20 | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 699 USD | 999 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 149 in our database | 37 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 1481 MHz | 950 MHz |
| Boost ClockDifferent | 1582 MHz | 1000 MHz |
| Memory ClockDifferent | 1376 MHz11 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 11 GB | 3 GB |
| Memory TypeDifferent | GDDR5X | GDDR5 |
| Memory BusDifferent | 352 bit | 384 bit |
| BandwidthDifferent | 484.4 GB/s | 288.0 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 3584 | 2048 |
| TMUsDifferent | 224 | 128 |
| ROPsDifferent | 88 | 32 |
| SM CountDifferent | 28 | N/A |
| L1 CacheDifferent | 48 KB (per SM) | 16 KB (per CU) |
| L2 CacheDifferent | 2.75 MB | 768 KB |
| Compute UnitsDifferent | N/A | 32 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 139.2 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 354.4 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 177.2 GFLOPS (1:64) | N/A |
| FP32 (float)Different | 11.34 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 354.4 GFLOPS (1:32) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 304 mm12 inches |
| HeightDifferent | 112 mm4.4 inches | 106 mm4.2 inches |
| WidthDifferent | 40 mm1.6 inches | 38 mm1.5 inches |
| TDPDifferent | 250 W | 375 W |
| Suggested PSUDifferent | 600 W | 750 W |
| OutputsDifferent | 1x HDMI 2.03x DisplayPort 1.4a | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 8-pin |
| Board NumberDifferent | PG611 SKU 50 | 109-C47637-00A_02 |
Graphics Features
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| DirectXDifferent | 12 (12_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 3.0 | 2.1 (1.2) |
| VulkanDifferent | 1.3 | 1.2.175 |
| CUDADifferent | 6.1 | N/A |
| Shader ModelDifferent | 6.8 | 6.5 (5.1) |
Comparison Summary
More Comparisons with NVIDIA GeForce GTX 1080 Ti
Compare NVIDIA GeForce GTX 1080 Ti with other GPUs of similar performance
NVIDIA GeForce GTX 1080 Ti vs GeForce RTX 2080 SUPER
GeForce RTX 2080 SUPER is 14% faster than NVIDIA GeForce GTX 1080 Ti
NVIDIA GeForce GTX 1080 Ti vs Radeon RX 7600 XT
Radeon RX 7600 XT is 13% faster than NVIDIA GeForce GTX 1080 Ti
NVIDIA GeForce GTX 1080 Ti vs GeForce RTX 4060
GeForce RTX 4060 is 13% faster than NVIDIA GeForce GTX 1080 Ti
NVIDIA GeForce GTX 1080 Ti vs Arc B580
Arc B580 is 12% faster than NVIDIA GeForce GTX 1080 Ti
NVIDIA GeForce GTX 1080 Ti vs GeForce RTX 5050
GeForce RTX 5050 is 10% faster than NVIDIA GeForce GTX 1080 Ti
NVIDIA GeForce GTX 1080 Ti vs GeForce RTX 2080
GeForce RTX 2080 is 9% faster than NVIDIA GeForce GTX 1080 Ti
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

