NVIDIA GeForce GT 445M vs NVIDIA GeForce GT 620M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 445M 's Advantages
Larger VRAM bandwidth (40.00GB/s vs 28.80GB/s)
48 additional rendering cores
NVIDIA GeForce GT 620M 's Advantages
Released 1 years and 11 months late
Lower TDP (15W vs 35W)
Score
Benchmark
FP32 (float)
GeForce GT 445M
+29%
0.328 TFLOPS
GeForce GT 620M
0.253 TFLOPS
Graphics Card
Sep 2010
Release Date
Aug 2012
GeForce 400M
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
625 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
40.00GB/s
Bandwidth
28.80GB/s
Render Config
-
-
-
3
SM Count
2
144
Shading Units
96
24
TMUs
16
16
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
3.420 GPixel/s
Pixel Rate
2.640 GPixel/s
13.68 GTexel/s
Texture Rate
10.56 GTexel/s
-
-
-
328.3 GFLOPS
FP32 (float)
253.4 GFLOPS
27.36 GFLOPS
FP64 (double)
21.12 GFLOPS
Board Design
35W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF106
GPU Name
GF108
N11E-GE-A1
GPU Variant
N13P-GLP-A1
Fermi
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.17 billion
Transistors
0.585 billion
238 mm²
Die Size
116 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
2.1
5.1
Shader Model
5.1
