GeForce 930MX vs GeForce GT 640M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce 930MX and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 930MX 's Advantages
Released 3 years and 1 months late
Boost Clock1020MHz
More VRAM (2GB vs 512GB)
Lower TDP (17W vs 32W)
GeForce GT 640M Mac Edition 's Advantages
Larger VRAM bandwidth (40.00GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
GeForce 930MX
+36%
783
GeForce GT 640M Mac Edition
572
Graphics Card
Mar 2016
Release Date
Feb 2013
GeForce 900M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
952 MHz
Base Clock
-
1020 MHz
Boost Clock
-
900 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
40.00GB/s
Render Config
384
Shading Units
384
24
TMUs
32
8
ROPs
8
64 KB (per SMM)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
128 KB
Theoretical Performance
8.160 GPixel/s
Pixel Rate
5.960 GPixel/s
24.48 GTexel/s
Texture Rate
23.84 GTexel/s
783.4 GFLOPS
FP32 (float)
572.2 GFLOPS
24.48 GFLOPS
FP64 (double)
23.84 GFLOPS
Board Design
17W
TDP
32W
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GM108
GPU Name
GK107
N16S-GMR
GPU Variant
N13P-GS
Maxwell
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
1.27 billion
Unknown
Die Size
118 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.0
CUDA
3.0
5.1
Shader Model
5.1
