NVIDIA GeForce GT 650M Mac Edition vs NVIDIA GeForce GT 740M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 2GB VRAM GeForce GT 740M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 650M Mac Edition 's Advantages
Larger VRAM bandwidth (80.26GB/s vs 14.40GB/s)
NVIDIA GeForce GT 740M 's Advantages
Released 11 months late
More VRAM (2GB vs 512GB)
Lower TDP (33W vs 45W)
Score
Benchmark
FP32 (float)
GeForce GT 650M Mac Edition
0.691 TFLOPS
GeForce GT 740M
+8%
0.753 TFLOPS
Blender
GeForce GT 650M Mac Edition
+34%
35
GeForce GT 740M
26
Graphics Card
Jul 2012
Release Date
Jun 2013
GeForce 600M
Generation
GeForce 700M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
-
-
-
-
-
1254 MHz
Memory Clock
900 MHz
Memory
512MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
80.26GB/s
Bandwidth
14.40GB/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
512 KB
-
-
-
Theoretical Performance
7.200 GPixel/s
Pixel Rate
7.840 GPixel/s
28.80 GTexel/s
Texture Rate
31.36 GTexel/s
-
-
-
691.2 GFLOPS
FP32 (float)
752.6 GFLOPS
28.80 GFLOPS
FP64 (double)
31.36 GFLOPS
Board Design
45W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK107
GPU Name
GK208
N13P-GT-W-A2
GPU Variant
GT 740M
Kepler
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
1.02 billion
118 mm²
Die Size
87 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
3.5
5.1
Shader Model
5.1
