Home GPU Comparison AMD Radeon R5 M255 vs NVIDIA GeForce GT 625M

AMD Radeon R5 M255 vs NVIDIA GeForce GT 625M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 2GB VRAM GeForce GT 625M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages
Released 2 years late
Boost Clock940MHz
Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)
288 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R5 M255 +200%
0.721 TFLOPS
GeForce GT 625M
0.24 TFLOPS
VS

Graphics Card

Oct 2014
Release Date
Oct 2012
Gem System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

925 MHz
Base Clock
-
940 MHz
Boost Clock
-
1000 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
32.00GB/s
Bandwidth
14.40GB/s

Render Config

6
Compute Units
-
-
SM Count
2
384
Shading Units
96
24
TMUs
16
8
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

7.520 GPixel/s
Pixel Rate
2.500 GPixel/s
22.56 GTexel/s
Texture Rate
10.00 GTexel/s
721.9 GFLOPS
FP16 (half)
-
721.9 GFLOPS
FP32 (float)
240.0 GFLOPS
45.12 GFLOPS
FP64 (double)
20.00 GFLOPS

Board Design

Unknown
TDP
15W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Topaz
GPU Name
GF117
Topaz PRO (216-0858030)
GPU Variant
N13M-GS-B-A2
GCN 3.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.55 billion
Transistors
0.585 billion
125 mm²
Die Size
116 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
1.1
1.2.170
Vulkan
N/A
-
CUDA
2.1
6.5
Shader Model
5.1

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