GPU model | Topaz | Ellesmere |
---|---|---|
GPU variant | Topaz XT (216-0864030) | Polaris 10 PRO (215-0876204) |
Architecture | GCN 3.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 28 nm | 14 nm |
Number of transistors | 1,550 million | 5,700 million |
Die size | 125 mm² | 232 mm² |
Release date | Jun 11th, 2014 | — |
---|---|---|
Generation | Crystal System (R7 M200) | — |
Production | End-of-life | — |
Interface | PCIe 3.0 x8 | — |
Predecessor | Solar System | — |
Successor | Mobility Radeon | — |
Base clock | 940 MHz | 926 MHz |
---|---|---|
Boost clock | 980 MHz | 1206 MHz |
Memory clock | 900 MHz 1800 Mbps effective | 1650 MHz 6.6 Gbps effective |
Memory size | 2 GB | 4 GB |
---|---|---|
Memory type | DDR3 | GDDR5 |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 14.40 GB/s | 211.2 GB/s |
Shading units | 384 | 2048 |
---|---|---|
TMUs | 24 | 128 |
ROPs | 8 | 32 |
Compute units | 6 | 32 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 128 KB | 2 MB |
Pixel rate | 7.840 GPixel/s | 38.59 GPixel/s |
---|---|---|
Texture rate | 23.52 GTexel/s | 154.4 GTexel/s |
FP16 (half) performance | 752.6 GFLOPS (1:1) | 4.940 TFLOPS (1:1) |
FP32 (float) performance | 752.6 GFLOPS | 4.940 TFLOPS |
FP64 (double) performance | 47.04 GFLOPS (1:16) | 308.7 GFLOPS (1:16) |
TDP | unknown | 120 W |
---|---|---|
Outputs | No outputs | 1x HDMI3x DisplayPort |
Board number | C720 | C940, D000-03, D009-07 |
Slot width | — | Dual-slot |
Length | — | 240 mm 9.4 inches |
Width | — | 95 mm 3.7 inches |
Height | — | 35 mm 1.4 inches |
Suggested PSU | — | 300 W |
Power connectors | — | 1x 6-pin |
DirectX | 12 (12_0) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.0 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.3 | 6.4 |
Release date | — | Aug 4th, 2016 |
---|---|---|
Generation | — | Arctic Islands |
Production | — | Active |
Launch price | — | 179 USD |
Interface | — | PCIe 3.0 x16 |
Reviews | — | 46 in our database |
Predecessor | — | Pirate Islands |
Successor | — | Polaris |