AMD Radeon HD 7650M Rebrand vs AMD Radeon R7 M260
Graphics Processor
| GPU model | Whistler | Topaz |
|---|---|---|
| GPU variant | Whistler PRO (216-0810005) | Topaz XT (216-0864030) |
| Architecture | TeraScale 2 | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 716 million | 1,550 million |
| Die size | 104 mm² | 125 mm² |
Mobile graphics
| Release date | Mar 28th, 2012 | Jun 11th, 2014 |
|---|---|---|
| Generation | London (HD 7600M) | Crystal System (R7 M200) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
| Predecessor | Vancouver | Solar System |
| Successor | Solar System | Mobility Radeon |
Clocks
| GPU clock | 485 MHz | — |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 900 MHz 1800 Mbps effective |
| Base clock | — | 940 MHz |
| Boost clock | — | 980 MHz |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | DDR3 | DDR3 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 25.60 GB/s | 14.40 GB/s |
Render Configuration
| Shading units | 480 | 384 |
|---|---|---|
| TMUs | 24 | 24 |
| ROPs | 8 | 8 |
| Compute units | 6 | 6 |
| Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 128 KB |
Performance
| Pixel rate | 3.880 GPixel/s | 7.840 GPixel/s |
|---|---|---|
| Texture rate | 11.64 GTexel/s | 23.52 GTexel/s |
| FP32 (float) performance | 465.6 GFLOPS | 752.6 GFLOPS |
| FP16 (half) performance | — | 752.6 GFLOPS (1:1) |
| FP64 (double) performance | — | 47.04 GFLOPS (1:16) |
Dimensions & Outputs
| TDP | 20 W | unknown |
|---|---|---|
| Outputs | No outputs | No outputs |
| Board number | — | C720 |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 6.3 |
