NVIDIA GeForce GT 620M vs NVIDIA GeForce GT 650M Mac Edition
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 620M 's Advantages
More VRAM (1024GB vs 512GB)
Lower TDP (15W vs 45W)
NVIDIA GeForce GT 650M Mac Edition 's Advantages
Larger VRAM bandwidth (80.26GB/s vs 28.80GB/s)
288 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 620M
0.253 TFLOPS
GeForce GT 650M Mac Edition
+173%
0.691 TFLOPS
Graphics Card
Aug 2012
Release Date
Jul 2012
GeForce 600M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
1254 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
80.26GB/s
Render Config
-
-
-
2
SM Count
-
96
Shading Units
384
16
TMUs
32
4
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
2.640 GPixel/s
Pixel Rate
7.200 GPixel/s
10.56 GTexel/s
Texture Rate
28.80 GTexel/s
-
-
-
253.4 GFLOPS
FP32 (float)
691.2 GFLOPS
21.12 GFLOPS
FP64 (double)
28.80 GFLOPS
Board Design
15W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF108
GPU Name
GK107
N13P-GLP-A1
GPU Variant
N13P-GT-W-A2
Fermi
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.585 billion
Transistors
1.27 billion
116 mm²
Die Size
118 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.1
CUDA
3.0
5.1
Shader Model
5.1
