GPU model | RV770 | GM108 |
---|---|---|
GPU variant | RV770 XT (215-0669049) | N16V-GMR1-A1 |
Architecture | TeraScale | Maxwell |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 28 nm |
Number of transistors | 956 million | unknown |
Die size | 256 mm² | unknown |
Release date | Jun 25th, 2008 | — |
---|---|---|
Generation | Radeon R700 | — |
Production | End-of-life | — |
Launch price | 299 USD | — |
Interface | PCIe 2.0 x16 | — |
Reviews | 135 in our database | — |
Predecessor | Radeon R600 | — |
Successor | Evergreen | — |
GPU clock | 750 MHz | — |
---|---|---|
Memory clock | 900 MHz 3.6 Gbps effective | 1253 MHz 5 Gbps effective |
Base clock | — | 978 MHz |
Boost clock | — | 1006 MHz |
Memory size | 512 MB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 64 bit |
Bandwidth | 115.2 GB/s | 40.10 GB/s |
Shading units | 800 | 384 |
---|---|---|
TMUs | 40 | 24 |
ROPs | 16 | 8 |
Compute units | 10 | — |
Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
Cache L2 | 256 KB | 1024 KB |
SMM count | — | 3 |
Pixel rate | 12.00 GPixel/s | 8.048 GPixel/s |
---|---|---|
Texture rate | 30.00 GTexel/s | 24.14 GTexel/s |
FP32 (float) performance | 1,200 GFLOPS | 772.6 GFLOPS |
FP64 (double) performance | 240.0 GFLOPS (1:5) | 24.14 GFLOPS (1:32) |
Slot width | Dual-slot | IGP |
---|---|---|
Length | 241 mm 9.5 inches | — |
Width | 111 mm 4.4 inches | — |
Height | 40 mm 1.6 inches | — |
TDP | 150 W | 30 W |
Suggested PSU | 450 W | — |
Outputs | 2x DVI1x S-Video | No outputs |
Power connectors | 2x 6-pin | None |
Board number | B507-31 | — |
DirectX | 10.1 (10_1) | 12 (11_0) |
---|---|---|
OpenGL | 3.3 | 4.6 |
OpenCL | 1.1 | 3.0 |
Vulkan | — | 1.1 |
Shader model | 4.1 | 5.1 |
CUDA | — | 5.0 |
Release date | — | Nov 17th, 2017 |
---|---|---|
Generation | — | GeForce MX (1xx) |
Production | — | End-of-life |
Interface | — | PCIe 3.0 x4 |