ATI Mobility Radeon HD 3850 X2 vs ATI Mobility Radeon HD 565v
Graphics Processor
| GPU model | M88 | M96 |
|---|---|---|
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 55 nm |
| Number of transistors | 666 million | 514 million |
| Die size | 192 mm² | 146 mm² |
| GPU variant | — | M96 XT (216-0729051) |
Mobile graphics
| Release date | Jun 4th, 2008 | May 5th, 2010 |
|---|---|---|
| Generation | M8x (Mobility HD 3800) | M9x (Mobility HD 500v) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 2 in our database | 2 in our database |
| Predecessor | M7x | M8x |
| Successor | M9x | Manhattan |
Clocks
| GPU clock | 580 MHz | 675 MHz |
|---|---|---|
| Memory clock | 750 MHz 1500 Mbps effective | 800 MHz 1600 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 48.00 GB/s | 25.60 GB/s |
Render Configuration
| Shading units | 320 | 320 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 16 | 8 |
| Compute units | 4 | 4 |
| Cache L2 | 256 KB | 128 KB |
| Cache L1 | — | 16 KB (per CU) |
Performance
| Pixel rate | 9.280 GPixel/s | 5.400 GPixel/s |
|---|---|---|
| Texture rate | 9.280 GTexel/s | 21.60 GTexel/s |
| FP32 (float) performance | 371.2 GFLOPS | 432.0 GFLOPS |
| FP64 (double) performance | 74.24 GFLOPS (1:5) | — |
Dimensions & Outputs
| TDP | 70 W | 20 W |
|---|---|---|
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 10.1 (10_1) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 4.1 | 4.1 |
