AMD Radeon HD 6790 vs NVIDIA Quadro K3000M
Graphics Processor
| GPU model | Barts | GK104 |
|---|---|---|
| GPU variant | Barts LE (215-0798002) | N14E-Q1-A2 |
| Architecture | TeraScale 2 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 1,700 million | 3,540 million |
| Die size | 255 mm² | 294 mm² |
Graphics Card
| Release date | Apr 4th, 2011 | — |
|---|---|---|
| Generation | Northern Islands | — |
| Production | End-of-life | — |
| Launch price | 149 USD | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 37 in our database | — |
| Predecessor | Evergreen | — |
| Successor | Southern Islands | — |
Clocks
| GPU clock | 840 MHz | 654 MHz |
|---|---|---|
| Memory clock | 1050 MHz 4.2 Gbps effective | 700 MHz 2.8 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 134.4 GB/s | 89.60 GB/s |
Render Configuration
| Shading units | 800 | 576 |
|---|---|---|
| TMUs | 40 | 48 |
| ROPs | 16 | 32 |
| Compute units | 10 | — |
| Cache L1 | 8 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 512 KB | 512 KB |
| SMX count | — | 3 |
Performance
| Pixel rate | 13.44 GPixel/s | 7.848 GPixel/s |
|---|---|---|
| Texture rate | 33.60 GTexel/s | 31.39 GTexel/s |
| FP32 (float) performance | 1,344 GFLOPS | 753.4 GFLOPS |
| FP64 (double) performance | — | 31.39 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Dual-slot | MXM Module |
|---|---|---|
| Length | 198 mm 7.8 inches | — |
| TDP | 150 W | 75 W |
| Suggested PSU | 450 W | — |
| Outputs | 2x DVI1x HDMI1x DisplayPort | No outputs |
| Power connectors | 2x 6-pin | — |
| Board number | C220, C222 | — |
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 |
Other Features
Mobile graphics
| Release date | — | Jun 1st, 2012 |
|---|---|---|
| Generation | — | Quadro Mobile (Kx000M) |
| Production | — | End-of-life |
| Interface | — | MXM-B (3.0) |
| Reviews | — | 26 in our database |
