Home GPU Comparison NVIDIA GeForce GT 445M vs NVIDIA GeForce GT 745A

NVIDIA GeForce GT 445M vs NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 2GB VRAM GeForce GT 745A 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)
NVIDIA GeForce GT 745A 's Advantages
Released 2 years and 11 months late
Boost Clock915MHz
More VRAM (2GB vs 1024GB)
240 additional rendering cores
Lower TDP (33W vs 35W)

Score

Benchmark

FP32 (float)
GeForce GT 445M
0.328 TFLOPS
GeForce GT 745A +114%
0.703 TFLOPS
VS

Graphics Card

Sep 2010
Release Date
Aug 2013
GeForce 400M
Generation
GeForce 700A
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
837 MHz
-
Boost Clock
915 MHz
625 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
40.00GB/s
Bandwidth
28.80GB/s

Render Config

-
-
-
3
SM Count
-
144
Shading Units
384
24
TMUs
32
16
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

3.420 GPixel/s
Pixel Rate
7.320 GPixel/s
13.68 GTexel/s
Texture Rate
29.28 GTexel/s
-
-
-
328.3 GFLOPS
FP32 (float)
702.7 GFLOPS
27.36 GFLOPS
FP64 (double)
29.28 GFLOPS

Board Design

35W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GF106
GPU Name
GK107
N11E-GE-A1
GPU Variant
N14P-LP
Fermi
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.17 billion
Transistors
1.27 billion
238 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

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