GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 1080 Ti
AMD Radeon HD 6990
Technical Specifications
| Specification | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | GP102 | Antilles x2 |
| CoresDifferent | 3584 | 1536 x2 |
| TMUsDifferent | 224 | 96 x2 |
| ROPsDifferent | 88 | 32 x2 |
| Memory SizeDifferent | 11 GB | 2 GB x2 |
| Memory TypeDifferent | GDDR5X | GDDR5 |
| Bus WidthDifferent | 352 bit | 256 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | GP102 | Antilles |
| GPU VariantDifferent | GP102-350-K1-A1 | Antilles XT(215-0807027) |
| ArchitectureDifferent | Pascal | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 16 nm | 40 nm |
| TransistorsDifferent | 11,800 million | 2,640 million |
| DensityDifferent | 25.1M / mm² | 6.8M / mm² |
| Die SizeDifferent | 471 mm² | 389 mm² |
| Chip PackageDifferent | BGA-2397 | N/A |
Graphics Card
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | Mar 10th, 2017 | Mar 8th, 2011 |
| GenerationDifferent | GeForce 10 | Northern Islands(HD 6900) |
| PredecessorDifferent | GeForce 900 | Evergreen |
| SuccessorDifferent | GeForce 20 | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch Price | 699 USD | 699 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 149 in our database | 47 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Base ClockDifferent | 1481 MHz | N/A |
| Boost ClockDifferent | 1582 MHz | N/A |
| Memory ClockDifferent | 1376 MHz11 Gbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 830 MHz |
Memory
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Memory SizeDifferent | 11 GB | 2 GB |
| Memory TypeDifferent | GDDR5X | GDDR5 |
| Memory BusDifferent | 352 bit | 256 bit |
| BandwidthDifferent | 484.4 GB/s | 160.0 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Shading UnitsDifferent | 3584 | 1536 |
| TMUsDifferent | 224 | 96 |
| ROPsDifferent | 88 | 32 |
| SM CountDifferent | 28 | N/A |
| L1 CacheDifferent | 48 KB (per SM) | 8 KB (per CU) |
| L2 CacheDifferent | 2.75 MB | 512 KB |
| Compute UnitsDifferent | N/A | 24 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 139.2 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 354.4 GTexel/s | 79.68 GTexel/s |
| FP16 (half)Different | 177.2 GFLOPS (1:64) | N/A |
| FP32 (float)Different | 11.34 TFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | 354.4 GFLOPS (1:32) | 637.4 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 310 mm12.2 inches |
| HeightDifferent | 112 mm4.4 inches | 115 mm4.5 inches |
| Width | 40 mm1.6 inches | 40 mm1.6 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-C20647-00 |
Graphics Features
| Feature | NVIDIA GeForce GTX 1080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| DirectXDifferent | 12 (12_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 3.0 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| CUDADifferent | 6.1 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
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 6990
Compare AMD Radeon HD 6990 with other GPUs of similar performance
AMD Radeon HD 6990 vs GeForce GTX 1650
GeForce GTX 1650 is 19% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs Radeon RX 6400
Radeon RX 6400 is 17% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs Arc A380
Arc A380 is 15% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs GeForce GTX 780
GeForce GTX 780 is 15% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition is 4% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs GeForce GTX 590
GeForce GTX 590 is 4% faster than AMD Radeon HD 6990

