GeForce GT 750M Mac Edition vs GeForce GT 645M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 750M Mac Edition and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 750M Mac Edition 's Advantages
Released 1 years and 1 months late
Larger VRAM bandwidth (80.26GB/s vs 28.80GB/s)
GeForce GT 645M 's Advantages
Lower TDP (32W vs 50W)
Score
Benchmark
FP32 (float)
GeForce GT 750M Mac Edition
+30%
711
GeForce GT 645M
544
Graphics Card
Nov 2013
Release Date
Oct 2012
GeForce 700M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1254 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
80.26GB/s
Bandwidth
28.80GB/s
Render Config
384
Shading Units
384
32
TMUs
32
16
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
Theoretical Performance
7.408 GPixel/s
Pixel Rate
5.672 GPixel/s
29.63 GTexel/s
Texture Rate
22.69 GTexel/s
711.2 GFLOPS
FP32 (float)
544.5 GFLOPS
29.63 GFLOPS
FP64 (double)
22.69 GFLOPS
Board Design
50W
TDP
32W
No outputs
Outputs
No outputs
Graphics Processor
GK107
GPU Name
GK107
N14P-GT
GPU Variant
N13P-GS
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
1.27 billion
118 mm²
Die Size
118 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.0
CUDA
3.0
5.1
Shader Model
5.1
