Home GPU Comparison AMD Radeon R5 A255 vs NVIDIA GeForce GTX 950M Mac Edition

AMD Radeon R5 A255 vs NVIDIA GeForce GTX 950M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 2GB VRAM GeForce GTX 950M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)
NVIDIA GeForce GTX 950M Mac Edition 's Advantages
Released 1 years and 2 months late
Boost Clock has increased by 20% (1124MHz vs 940MHz)
More VRAM (2GB vs 1024GB)
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R5 A255
0.721 TFLOPS
GeForce GTX 950M Mac Edition +99%
1.439 TFLOPS
VS

Graphics Card

Jan 2014
Release Date
Mar 2015
All-In-One
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-B (3.0)

Clock Speeds

925 MHz
Base Clock
993 MHz
940 MHz
Boost Clock
1124 MHz
1000 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
28.80GB/s

Render Config

6
Compute Units
-
-
-
-
384
Shading Units
640
24
TMUs
40
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SMM)
256 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

7.520 GPixel/s
Pixel Rate
17.98 GPixel/s
22.56 GTexel/s
Texture Rate
44.96 GTexel/s
-
-
-
721.9 GFLOPS
FP32 (float)
1439 GFLOPS
-
FP64 (double)
44.96 GFLOPS

Board Design

Unknown
TDP
75W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Topaz
GPU Name
GM107
Topaz PRO (216-0858030)
GPU Variant
N16P-GT
GCN 3.0
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.55 billion
Transistors
1.87 billion
125 mm²
Die Size
148 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2.170
Vulkan
1.3
-
CUDA
5.0
6.5
Shader Model
5.1

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