AMD Radeon R7 250 vs AMD Radeon R5 M255
What is the difference between AMD Radeon R7 250 and AMD Radeon R5 M255. Find out which graphics card has better performance.
Graphics Processor (GPU)
Oland | GPU Name | Topaz |
Oland XT (215-0837000) | Model number | Topaz PRO (216-0864032) |
GCN 1.0 | Architecture | GCN 3.0 |
TSMC | Foundry | TSMC |
28 nm | Process Size | 28 nm |
950 million | Transistors | 1,550 million |
77 mm² | Die Size | 125 mm² |
Graphics Card
Oct 8th, 2013 | Release Date | Oct 12th, 2014 |
Volcanic Islands (R7 200) | Family | Crystal System (R5 M200) |
End-of-life | Production | End-of-life |
Sea Islands | Predecessor | Solar System |
PCIe 3.0 x8 | Bus Interface | PCIe 3.0 x8 |
Memory
1024 MB | Memory Size | 1024 MB |
GDDR5 | Memory Type | GDDR5 |
128 bit | Memory Bus | 128 bit |
73.60 GB/s | Bandwidth | 64.00 GB/s |
Performance
8.400 GPixel/s | Pixel fillrate | 7.520 GPixel/s |
25.20 GTexel/s | Texture fillrate | 22.56 GTexel/s |
806.4 GFLOPS | FP32 (float) performance | 721.9 GFLOPS |
50.40 GFLOPS (1:16) | FP64 (double) performance | 45.12 GFLOPS (1:16) |
Clock Speeds
1000 MHz | Base Clock | 925 MHz |
1050 MHz | Boost Clock | 940 MHz |
1150 MHz 4.6 Gbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
Render Config
384 | Shading Units | 384 |
24 | TMUs | 24 |
8 | ROPs | 8 |
6 | Compute Units | 6 |
16 KB (per CU) | L1 Cache | 16 KB (per CU) |
256 KB | L2 Cache | 256 KB |
Board Design
65 W | Thermal design power (TDP) | unknown |
1x DVI 1x HDMI 1x VGA | Display Connectors | No outputs |
API support
12 (11_1) | DirectX | 12 (12_0) |
4.6 | OpenGL | 4.6 |
1.2 | OpenCL | 2.0 |
1.2 | Vulkan | 1.2 |
5.1 | Shader Model | 6.3 |