GPU model | Neptune | GT218 |
---|---|---|
GPU variant | Neptune XT (216-0847000) | GT218-300-A2 |
Architecture | GCN 1.0 | Tesla 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 40 nm |
Number of transistors | 2,800 million | 260 million |
Die size | 212 mm² | 57 mm² |
Release date | Jan 9th, 2014 | — |
---|---|---|
Generation | Crystal System (R9 M200) | — |
Production | End-of-life | — |
Interface | PCIe 3.0 x16 | — |
Predecessor | Solar System | — |
Successor | Mobility Radeon | — |
Base clock | 850 MHz | — |
---|---|---|
Boost clock | 900 MHz | — |
Memory clock | 1200 MHz 4.8 Gbps effective | 333 MHz 666 Mbps effective |
GPU clock | — | 589 MHz |
Shader clock | — | 1402 MHz |
Memory size | 4 GB | 512 MB |
---|---|---|
Memory type | GDDR5 | DDR2 |
Memory bus width | 256 bit | 64 bit |
Bandwidth | 153.6 GB/s | 5.328 GB/s |
Shading units | 1280 | 16 |
---|---|---|
TMUs | 80 | 8 |
ROPs | 32 | 4 |
Compute units | 20 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 512 KB | 32 KB |
SM count | — | 2 |
Pixel rate | 28.80 GPixel/s | 2.356 GPixel/s |
---|---|---|
Texture rate | 72.00 GTexel/s | 4.712 GTexel/s |
FP32 (float) performance | 2.304 TFLOPS | 44.86 GFLOPS |
FP64 (double) performance | 144.0 GFLOPS (1:16) | — |
Slot width | MXM Module | Single-slot |
---|---|---|
TDP | 100 W | 31 W |
Outputs | No outputs | 1x DVI1x DisplayPort1x VGA |
Power connectors | None | None |
Board number | C608 | P691 |
Length | — | 168 mm 6.6 inches |
Suggested PSU | — | 200 W |
DirectX | 12 (11_1) | 11.1 (10_1) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 1.2 | 1.1 |
Vulkan | 1.2 | — |
Shader model | 5.1 | 4.1 |
CUDA | — | 1.2 |
Release date | — | Nov 27th, 2009 |
---|---|---|
Generation | — | GeForce 300 |
Production | — | End-of-life |
Interface | — | PCIe 2.0 x16 |
Predecessor | — | GeForce 200 |
Successor | — | GeForce 400 |