GeForce GT 640M Mac Edition vs Radeon R9 A375
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 2GB VRAM Radeon R9 A375 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 A375 's Advantages
Released 1 years and 11 months late
Boost Clock925MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (72.00GB/s vs 40.00GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
572
Radeon R9 A375
+127%
1299
Graphics Card
Feb 2013
Release Date
Jan 2015
GeForce 600M
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
1250 MHz
Memory Clock
1125 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
40.00GB/s
Bandwidth
72.00GB/s
Render Config
-
Compute Units
10
384
Shading Units
640
32
TMUs
40
8
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
5.960 GPixel/s
Pixel Rate
16.24 GPixel/s
23.84 GTexel/s
Texture Rate
40.60 GTexel/s
572.2 GFLOPS
FP32 (float)
1299 GFLOPS
23.84 GFLOPS
FP64 (double)
-
Board Design
32W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
GK107
GPU Name
Venus
N13P-GS
GPU Variant
Venus XTX
(216-0846033)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
1.5 billion
118 mm²
Die Size
123 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.1
Vulkan
1.2.170
3.0
CUDA
-
5.1
Shader Model
6.5 (5.1)