ATI Mobility Radeon HD 3850 X2 vs Intel HD Graphics 4000
Graphics Processor
| GPU model | M88 | Ivy Bridge GT2 |
|---|---|---|
| Architecture | TeraScale | Generation 7.0 |
| Foundry | TSMC | Intel |
| Manufacturing process | 55 nm | 22 nm |
| Number of transistors | 666 million | 1,200 million |
| Die size | 192 mm² | 133 mm² |
Mobile graphics
| Release date | Jun 4th, 2008 | — |
|---|---|---|
| Generation | M8x (Mobility HD 3800) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 2 in our database | — |
| Predecessor | M7x | — |
| Successor | M9x | — |
Clocks
| GPU clock | 580 MHz | — |
|---|---|---|
| Memory clock | 750 MHz 1500 Mbps effective | System Shared |
| Base clock | — | 650 MHz |
| Boost clock | — | 1050 MHz |
Memory Configuration
| Memory size | 512 MB | System Shared |
|---|---|---|
| Memory type | GDDR3 | System Shared |
| Memory bus width | 256 bit | System Shared |
| Bandwidth | 48.00 GB/s | System Dependent |
Render Configuration
| Shading units | 320 | 128 |
|---|---|---|
| TMUs | 16 | 16 |
| ROPs | 16 | 2 |
| Compute units | 4 | — |
| Cache L2 | 256 KB | — |
| Execution units | — | 16 |
Performance
| Pixel rate | 9.280 GPixel/s | 2.100 GPixel/s |
|---|---|---|
| Texture rate | 9.280 GTexel/s | 16.80 GTexel/s |
| FP32 (float) performance | 371.2 GFLOPS | 268.8 GFLOPS |
| FP64 (double) performance | 74.24 GFLOPS (1:5) | 67.20 GFLOPS (1:4) |
Dimensions & Outputs
| TDP | 70 W | unknown |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
API Support & Features
| DirectX | 10.1 (10_1) | 11.1 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.0 |
| OpenCL | — | 1.2 |
| Vulkan | — | 1.0 |
| Shader model | 4.1 | 5.0 |
Other Features
Integrated Graphics
| Release date | — | May 14th, 2012 |
|---|---|---|
| Generation | — | HD Graphics (Ivy Bridge) |
| Production | — | End-of-life |
| Interface | — | Ring Bus |
| Reviews | — | 1 in our database |
