GPU model | RV740 | GK208B |
---|---|---|
GPU variant | RV740 XT (215-0727019) | N16V-GM |
Architecture | TeraScale | Kepler 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 28 nm |
Number of transistors | 826 million | 1,020 million |
Die size | 137 mm² | 87 mm² |
Release date | Apr 28th, 2009 | — |
---|---|---|
Generation | Radeon R700 | — |
Production | End-of-life | — |
Launch price | 109 USD | — |
Interface | PCIe 2.0 x16 | — |
Reviews | 82 in our database | — |
Predecessor | Radeon R600 | — |
Successor | Evergreen | — |
GPU clock | 750 MHz | 954 MHz |
---|---|---|
Memory clock | 800 MHz 3.2 Gbps effective | 1001 MHz 2 Gbps effective |
Memory size | 512 MB | 2 GB |
---|---|---|
Memory type | GDDR5 | DDR3 |
Memory bus width | 128 bit | 64 bit |
Bandwidth | 51.20 GB/s | 16.02 GB/s |
Shading units | 640 | 384 |
---|---|---|
TMUs | 32 | 32 |
ROPs | 16 | 8 |
Compute units | 8 | — |
Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
Cache L2 | 128 KB | 512 KB |
SMX count | — | 2 |
Pixel rate | 12.00 GPixel/s | 7.632 GPixel/s |
---|---|---|
Texture rate | 24.00 GTexel/s | 30.53 GTexel/s |
FP32 (float) performance | 960.0 GFLOPS | 732.7 GFLOPS |
FP64 (double) performance | 192.0 GFLOPS (1:5) | 30.53 GFLOPS (1:24) |
Slot width | Dual-slot | IGP |
---|---|---|
Length | 203 mm 8 inches | — |
TDP | 80 W | 33 W |
Suggested PSU | 250 W | — |
Outputs | 2x DVI1x S-Video | No outputs |
Power connectors | 1x 6-pin | — |
Board number | B743 | — |
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 | — | 3.5 |
Release date | — | Mar 13th, 2015 |
---|---|---|
Generation | — | GeForce 900A |
Production | — | Active |
Interface | — | PCIe 3.0 x8 |
Predecessor | — | GeForce 800A |