GPU model | Seymour | Jet |
---|---|---|
GPU variant | Seymour XT (216-0810084) | Jet PRO (216-0568010) |
Architecture | TeraScale 2 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 28 nm |
Number of transistors | 370 million | 690 million |
Die size | 67 mm² | 56 mm² |
Release date | Jan 7th, 2012 | Jan 7th, 2014 |
---|---|---|
Generation | London (HD 7400M) | Crystal System (R5 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 |
Base clock | 750 MHz | 780 MHz |
---|---|---|
Boost clock | 800 MHz | 855 MHz |
Memory clock | 900 MHz 1800 Mbps effective | 1000 MHz 2 Gbps effective |
Memory size | 1024 MB | 4 GB |
---|---|---|
Memory type | DDR3 | DDR3 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 14.40 GB/s | 16.00 GB/s |
Shading units | 160 | 320 |
---|---|---|
TMUs | 8 | 20 |
ROPs | 4 | 8 |
Compute units | 2 | 5 |
Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
Cache L2 | 128 KB | 128 KB |
Pixel rate | 3.200 GPixel/s | 6.840 GPixel/s |
---|---|---|
Texture rate | 6.400 GTexel/s | 17.10 GTexel/s |
FP32 (float) performance | 256.0 GFLOPS | 547.2 GFLOPS |
FP64 (double) performance | — | 34.20 GFLOPS (1:16) |
TDP | 25 W | unknown |
---|---|---|
Outputs | No outputs | No outputs |
Slot width | — | IGP |
DirectX | 11.2 (11_0) | 12 (11_1) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 1.2 |
Vulkan | — | 1.2 |
Shader model | 5.0 | 5.1 |