AMD Radeon HD 8400E vs NVIDIA GeForce Go 7900 GTX
Graphics Processor
| GPU model | Kalindi | G71 |
|---|---|---|
| Architecture | GCN 2.0 | Curie |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 90 nm |
| Number of transistors | 1,178 million | 278 million |
| Die size | 110 mm² | 196 mm² |
Integrated Graphics
| Release date | Apr 23rd, 2013 | — |
|---|---|---|
| Generation | Kabini (HD 8000 Mobile) | — |
| Production | End-of-life | — |
| Interface | IGP | — |
| Predecessor | Trinity | — |
| Successor | Kaveri | — |
Clocks
| GPU clock | 600 MHz | 500 MHz |
|---|---|---|
| Memory clock | System Shared | 600 MHz 1200 Mbps effective |
Memory Configuration
| Memory size | System Shared | 512 MB |
|---|---|---|
| Memory type | System Shared | GDDR3 |
| Memory bus width | System Shared | 256 bit |
| Bandwidth | System Dependent | 38.40 GB/s |
Render Configuration
| Shading units | 128 | — |
|---|---|---|
| TMUs | 8 | 24 |
| ROPs | 4 | 16 |
| Compute units | 2 | — |
| Pixel shaders | — | 24 |
| Vertex shaders | — | 8 |
Performance
| Pixel rate | 2.400 GPixel/s | 8.000 GPixel/s |
|---|---|---|
| Texture rate | 4.800 GTexel/s | 12.00 GTexel/s |
| FP32 (float) performance | 153.6 GFLOPS | — |
| FP64 (double) performance | 9.600 GFLOPS (1:16) | — |
| Vertex rate | — | 1.000 GVertices/s |
Dimensions & Outputs
| Slot width | IGP | MXM Module |
|---|---|---|
| TDP | 25 W | 45 W |
| Outputs | No outputs | No outputs |
| Power connectors | — | None |
| Board number | — | P469 |
API Support & Features
| DirectX | 12 (12_0) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 4.6 | 2.1 |
| OpenCL | 2.0 | — |
| Vulkan | 1.2 | — |
| Shader model | 6.3 | 3.0 |
Other Features
Mobile graphics
| Release date | — | Apr 18th, 2006 |
|---|---|---|
| Generation | — | GeForce Go 7 (Go 7000) |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Predecessor | — | GeForce Go 6 |
| Successor | — | GeForce 8M |
