GeForce GT 750M Mac Edition vs Radeon R5 A255
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 750M Mac Edition and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 750M Mac Edition 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (80.26GB/s vs 64.00GB/s)
Radeon R5 A255 's Advantages
Boost Clock940MHz
Score
Benchmark
FP32 (float)
GeForce GT 750M Mac Edition
711
Radeon R5 A255
+1%
721
Graphics Card
Nov 2013
Release Date
Jan 2014
GeForce 700M
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
925 MHz
-
Boost Clock
940 MHz
1254 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
80.26GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
6
384
Shading Units
384
32
TMUs
24
16
ROPs
8
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
7.408 GPixel/s
Pixel Rate
7.520 GPixel/s
29.63 GTexel/s
Texture Rate
22.56 GTexel/s
711.2 GFLOPS
FP32 (float)
721.9 GFLOPS
29.63 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
GK107
GPU Name
Topaz
N14P-GT
GPU Variant
Topaz PRO
(216-0858030)
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
1.55 billion
118 mm²
Die Size
125 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2.170
3.0
CUDA
-
5.1
Shader Model
6.5