AMD Radeon HD 6870 X2 vs NVIDIA GeForce4 460 Go
Graphics Processor
| GPU model | Barts | NV17 |
|---|---|---|
| GPU variant | Barts XT (215-0798000) | 460 Go A5 |
| Architecture | TeraScale 2 | Celsius |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 150 nm |
| Number of transistors | 1,700 million | 29 million |
| Die size | 255 mm² | 65 mm² |
Graphics Card
| Release date | Jul 8th, 2011 | — |
|---|---|---|
| Generation | Northern Islands | — |
| Production | End-of-life | — |
| Launch price | 520 USD | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 170 in our database | — |
| Predecessor | Evergreen | — |
| Successor | Southern Islands | — |
Clocks
| GPU clock | 900 MHz | 250 MHz |
|---|---|---|
| Memory clock | 1050 MHz 4.2 Gbps effective | 250 MHz 500 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 64 MB |
|---|---|---|
| Memory type | GDDR5 | DDR |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 134.4 GB/s | 8.000 GB/s |
Render Configuration
| Shading units | 1120 | — |
|---|---|---|
| TMUs | 56 | 4 |
| ROPs | 32 | 2 |
| Compute units | 14 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 2 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 28.80 GPixel/s | 500.0 MPixel/s |
|---|---|---|
| Texture rate | 50.40 GTexel/s | 1.000 GTexel/s |
| FP32 (float) performance | 2.016 TFLOPS | — |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| Length | 304 mm 12 inches | — |
| TDP | 300 W | unknown |
| Suggested PSU | 700 W | — |
| Outputs | 2x DVI1x HDMI2x mini-DisplayPort | No outputs |
API Support & Features
| DirectX | 11.2 (11_0) | 7.0 |
|---|---|---|
| OpenGL | 4.4 | 1.5 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | — |
| Pixel shader | — | 1.1 |
| Vertex shader | — | 1.1 |
Other Features
Mobile graphics
| Release date | — | Oct 14th, 2002 |
|---|---|---|
| Generation | — | GeForce4 Go |
| Production | — | End-of-life |
| Interface | — | AGP 4x |
| Reviews | — | 2 in our database |
| Predecessor | — | GeForce2 Go |
| Successor | — | GeForce FX Go 5 |
