AMD Radeon HD 7620G IGP vs ATI Mobility Radeon HD 3850 X2
Graphics Processor
| GPU model | Devastator | M88 |
|---|---|---|
| Architecture | TeraScale 3 | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 32 nm | 55 nm |
| Number of transistors | 1,303 million | 666 million |
| Die size | 246 mm² | 192 mm² |
Integrated Graphics
| Release date | May 15th, 2012 | — |
|---|---|---|
| Generation | Trinity (HD 7000 Mobile) | — |
| Production | End-of-life | — |
| Interface | IGP | — |
| Predecessor | Sumo | — |
| Successor | Richland | — |
Clocks
| Base clock | 360 MHz | — |
|---|---|---|
| Boost clock | 497 MHz | — |
| Memory clock | System Shared | 750 MHz 1500 Mbps effective |
| GPU clock | — | 580 MHz |
Memory Configuration
| Memory size | System Shared | 512 MB |
|---|---|---|
| Memory type | System Shared | GDDR3 |
| Memory bus width | System Shared | 256 bit |
| Bandwidth | System Dependent | 48.00 GB/s |
Render Configuration
| Shading units | 384 | 320 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 8 | 16 |
| Compute units | 6 | 4 |
| Cache L2 | — | 256 KB |
Performance
| Pixel rate | 3.976 GPixel/s | 9.280 GPixel/s |
|---|---|---|
| Texture rate | 11.93 GTexel/s | 9.280 GTexel/s |
| FP32 (float) performance | 381.7 GFLOPS | 371.2 GFLOPS |
| FP64 (double) performance | — | 74.24 GFLOPS (1:5) |
Dimensions & Outputs
| Slot width | IGP | — |
|---|---|---|
| TDP | 25 W | 70 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 11.2 (11_0) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | 4.1 |
Other Features
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 |
