GPU model | Baffin | GK104 |
---|---|---|
GPU variant | Baffin XT | N15E-GT-A2 |
Architecture | GCN 4.0 | Kepler |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 28 nm |
Number of transistors | 3,000 million | 3,540 million |
Die size | 123 mm² | 294 mm² |
Release date | Oct 30th, 2016 | Mar 12th, 2014 |
---|---|---|
Generation | Radeon Pro Mac (400 Series) | GeForce 800M |
Production | Active | End-of-life |
Interface | PCIe 3.0 x8 | MXM-B (3.0) |
Predecessor | — | GeForce 700M |
Successor | — | GeForce 900M |
Base clock | 850 MHz | 941 MHz |
---|---|---|
Boost clock | 907 MHz | 967 MHz |
Memory clock | 1270 MHz 5.1 Gbps effective | 1250 MHz 5 Gbps effective |
Memory size | 4 GB | 3 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 192 bit |
Bandwidth | 81.28 GB/s | 120.0 GB/s |
Shading units | 1024 | 1344 |
---|---|---|
TMUs | 64 | 112 |
ROPs | 16 | 24 |
Compute units | 16 | — |
Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
Cache L2 | 1024 KB | 384 KB |
SMX count | — | 7 |
Pixel rate | 14.51 GPixel/s | 27.08 GPixel/s |
---|---|---|
Texture rate | 58.05 GTexel/s | 108.3 GTexel/s |
FP16 (half) performance | 1.858 TFLOPS (1:1) | — |
FP32 (float) performance | 1.858 TFLOPS | 2.599 TFLOPS |
FP64 (double) performance | 116.1 GFLOPS (1:16) | 108.3 GFLOPS (1:24) |
Slot width | IGP | MXM Module |
---|---|---|
TDP | 35 W | 100 W |
Outputs | No outputs | No outputs |
Power connectors | None | None |
Board number | — | P2053 SKU 3 |
DirectX | 12 (12_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.2 | 1.1 |
Shader model | 6.4 | 5.1 |
CUDA | — | 3.0 |