Home GPU Comparison NVIDIA GeForce GT 750M Mac Edition vs NVIDIA GeForce GT 640M Mac Edition

NVIDIA GeForce GT 750M Mac Edition vs NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 750M Mac Edition 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

NVIDIA GeForce GT 750M Mac Edition 's Advantages
Released 9 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (80.26GB/s vs 40.00GB/s)
NVIDIA GeForce GT 640M Mac Edition 's Advantages
Lower TDP (32W vs 50W)

Score

Benchmark

FP32 (float)
GeForce GT 750M Mac Edition +24%
0.711 TFLOPS
GeForce GT 640M Mac Edition
0.572 TFLOPS
VS

Graphics Card

Nov 2013
Release Date
Feb 2013
GeForce 700M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1254 MHz
Memory Clock
1250 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
80.26GB/s
Bandwidth
40.00GB/s

Render Config

-
-
-
-
-
-
384
Shading Units
384
32
TMUs
32
16
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

7.408 GPixel/s
Pixel Rate
5.960 GPixel/s
29.63 GTexel/s
Texture Rate
23.84 GTexel/s
-
-
-
711.2 GFLOPS
FP32 (float)
572.2 GFLOPS
29.63 GFLOPS
FP64 (double)
23.84 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

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