GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 980 Ti
AMD Radeon HD 7990
Technical Specifications
| Specification | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | GM200 | Malta x2 |
| CoresDifferent | 2816 | 2048 x2 |
| TMUsDifferent | 176 | 128 x2 |
| ROPsDifferent | 96 | 32 x2 |
| Memory SizeDifferent | 6 GB | 3 GB x2 |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 384 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | GM200 | Malta |
| GPU VariantDifferent | GM200-310-A1 | Malta XT(215-0849026) |
| ArchitectureDifferent | Maxwell 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 8,000 million | 4,313 million |
| DensityDifferent | 13.3M / mm² | 11.8M / mm² |
| Die SizeDifferent | 601 mm² | 365 mm² |
| Chip PackageDifferent | BGA-2152 | N/A |
Graphics Card
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Jun 2nd, 2015 | Apr 24th, 2013 |
| GenerationDifferent | GeForce 900 | Southern Islands(HD 7900) |
| PredecessorDifferent | GeForce 700 | Northern Islands |
| SuccessorDifferent | GeForce 10 | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 649 USD | 999 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 169 in our database | 37 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | 950 MHz |
| Boost ClockDifferent | 1076 MHz | 1000 MHz |
| Memory ClockDifferent | 1753 MHz7 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 6 GB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 384 bit | 384 bit |
| BandwidthDifferent | 336.6 GB/s | 288.0 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 2816 | 2048 |
| TMUsDifferent | 176 | 128 |
| ROPsDifferent | 96 | 32 |
| SMM CountDifferent | 22 | N/A |
| L1 CacheDifferent | 48 KB (per SMM) | 16 KB (per CU) |
| L2 CacheDifferent | 3 MB | 768 KB |
| Compute UnitsDifferent | N/A | 32 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 103.3 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 189.4 GTexel/s | 128.0 GTexel/s |
| FP32 (float)Different | 6.060 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 189.4 GFLOPS (1:32) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 304 mm12 inches |
| HeightDifferent | 111 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 DVI1x HDMI 2.03x DisplayPort 1.2 | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin + 1x 8-pin | 2x 8-pin |
| Board NumberDifferent | PG600 SKU 30 | 109-C47637-00A_02 |
Graphics Features
| Feature | NVIDIA GeForce GTX 980 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 | 5.2 | N/A |
| Shader ModelDifferent | 6.8 | 6.5 (5.1) |
Comparison Summary
More Comparisons with NVIDIA GeForce GTX 980 Ti
Compare NVIDIA GeForce GTX 980 Ti with other GPUs of similar performance
NVIDIA GeForce GTX 980 Ti vs Radeon RX Vega 56
Radeon RX Vega 56 is 16% faster than NVIDIA GeForce GTX 980 Ti
NVIDIA GeForce GTX 980 Ti vs GeForce GTX 1070
GeForce GTX 1070 is 12% faster than NVIDIA GeForce GTX 980 Ti
NVIDIA GeForce GTX 980 Ti vs GeForce GTX 1660 SUPER
GeForce GTX 1660 SUPER is 6% faster than NVIDIA GeForce GTX 980 Ti
NVIDIA GeForce GTX 980 Ti vs GeForce GTX 1660 Ti
GeForce GTX 1660 Ti is 6% faster than NVIDIA GeForce GTX 980 Ti
NVIDIA GeForce GTX 980 Ti vs GeForce GTX 980 Ti
GeForce GTX 980 Ti is 0% slower than NVIDIA GeForce GTX 980 Ti
NVIDIA GeForce GTX 980 Ti vs GeForce RTX 3050 8 GB
GeForce RTX 3050 8 GB is 1% slower than NVIDIA GeForce GTX 980 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

