GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 980 Ti
AMD Radeon HD 6990
Technical Specifications
| Specification | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | GM200 | Antilles x2 |
| CoresDifferent | 2816 | 1536 x2 |
| TMUsDifferent | 176 | 96 x2 |
| ROPsDifferent | 96 | 32 x2 |
| Memory SizeDifferent | 6 GB | 2 GB x2 |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | GM200 | Antilles |
| GPU VariantDifferent | GM200-310-A1 | Antilles XT(215-0807027) |
| ArchitectureDifferent | Maxwell 2.0 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 40 nm |
| TransistorsDifferent | 8,000 million | 2,640 million |
| DensityDifferent | 13.3M / mm² | 6.8M / mm² |
| Die SizeDifferent | 601 mm² | 389 mm² |
| Chip PackageDifferent | BGA-2152 | N/A |
Graphics Card
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | Jun 2nd, 2015 | Mar 8th, 2011 |
| GenerationDifferent | GeForce 900 | Northern Islands(HD 6900) |
| PredecessorDifferent | GeForce 700 | Evergreen |
| SuccessorDifferent | GeForce 10 | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 649 USD | 699 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 169 in our database | 47 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Base ClockDifferent | 1000 MHz | N/A |
| Boost ClockDifferent | 1076 MHz | N/A |
| Memory ClockDifferent | 1753 MHz7 Gbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 830 MHz |
Memory
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Memory SizeDifferent | 6 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 336.6 GB/s | 160.0 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Shading UnitsDifferent | 2816 | 1536 |
| TMUsDifferent | 176 | 96 |
| ROPsDifferent | 96 | 32 |
| SMM CountDifferent | 22 | N/A |
| L1 CacheDifferent | 48 KB (per SMM) | 8 KB (per CU) |
| L2 CacheDifferent | 3 MB | 512 KB |
| Compute UnitsDifferent | N/A | 24 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 103.3 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 189.4 GTexel/s | 79.68 GTexel/s |
| FP32 (float)Different | 6.060 TFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | 189.4 GFLOPS (1:32) | 637.4 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce GTX 980 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 310 mm12.2 inches |
| HeightDifferent | 111 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 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-C20647-00 |
Graphics Features
| Feature | NVIDIA GeForce GTX 980 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 | 5.2 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
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 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

