AMD Radeon HD 6790 vs NVIDIA Quadro K2000
Graphics Processor
| GPU model | Barts | GK107 |
|---|---|---|
| GPU variant | Barts LE (215-0798002) | GK107-301-A2 |
| Architecture | TeraScale 2 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 1,700 million | 1,270 million |
| Die size | 255 mm² | 118 mm² |
Graphics Card
| Release date | Apr 4th, 2011 | Mar 1st, 2013 |
|---|---|---|
| Generation | Northern Islands | Quadro |
| Production | End-of-life | End-of-life |
| Launch price | 149 USD | 599 USD |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 37 in our database | 26 in our database |
| Predecessor | Evergreen | — |
| Successor | Southern Islands | — |
Clocks
| GPU clock | 840 MHz | 954 MHz |
|---|---|---|
| Memory clock | 1050 MHz 4.2 Gbps effective | 1000 MHz 4 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 134.4 GB/s | 64.00 GB/s |
Render Configuration
| Shading units | 800 | 384 |
|---|---|---|
| TMUs | 40 | 32 |
| ROPs | 16 | 16 |
| Compute units | 10 | — |
| Cache L1 | 8 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 512 KB | 256 KB |
| SMX count | — | 2 |
Performance
| Pixel rate | 13.44 GPixel/s | 7.632 GPixel/s |
|---|---|---|
| Texture rate | 33.60 GTexel/s | 30.53 GTexel/s |
| FP32 (float) performance | 1,344 GFLOPS | 732.7 GFLOPS |
| FP64 (double) performance | — | 30.53 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 198 mm 7.8 inches | 202 mm 8 inches |
| TDP | 150 W | 51 W |
| Suggested PSU | 450 W | 250 W |
| Outputs | 2x DVI1x HDMI1x DisplayPort | 1x DVI2x DisplayPort |
| Power connectors | 2x 6-pin | None |
| Board number | C220, C222 | P2095 |
| Width | — | 111 mm 4.4 inches |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | — | 1.1 |
| Shader model | 5.0 | 5.1 |
| CUDA | — | 3.0 |
