GPU model | Lexa | GM108 |
---|---|---|
GPU variant | Lexa PRO (215-0904018) | N16V-GMR1-A1 |
Architecture | GCN 4.0 | Maxwell |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 28 nm |
Number of transistors | 2,200 million | unknown |
Die size | 103 mm² | unknown |
Release date | Feb 11th, 2019 | Nov 17th, 2017 |
---|---|---|
Generation | Mobility Radeon (M500X) | GeForce MX (1xx) |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 3.0 x4 |
Predecessor | Crystal System | — |
Base clock | 980 MHz | 978 MHz |
---|---|---|
Boost clock | 1095 MHz | 1006 MHz |
Memory clock | 1000 MHz 4 Gbps effective | 1253 MHz 5 Gbps effective |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 32.00 GB/s | 40.10 GB/s |
Shading units | 512 | 384 |
---|---|---|
TMUs | 32 | 24 |
ROPs | 16 | 8 |
Compute units | 8 | — |
Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
Cache L2 | 512 KB | 1024 KB |
SMM count | — | 3 |
Pixel rate | 17.52 GPixel/s | 8.048 GPixel/s |
---|---|---|
Texture rate | 35.04 GTexel/s | 24.14 GTexel/s |
FP16 (half) performance | 1,121 GFLOPS (1:1) | — |
FP32 (float) performance | 1,121 GFLOPS | 772.6 GFLOPS |
FP64 (double) performance | 70.08 GFLOPS (1:16) | 24.14 GFLOPS (1:32) |
Slot width | Dual-slot | IGP |
---|---|---|
TDP | 50 W | 30 W |
Outputs | No outputs | No outputs |
Power connectors | None | None |
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 | — | 5.0 |