Home GPU Comparison NVIDIA GeForce GT 745A vs NVIDIA GeForce GTX 680M

NVIDIA GeForce GT 745A vs NVIDIA GeForce GTX 680M

NVIDIA GeForce GT 745A
VS
NVIDIA GeForce GTX 680M
NVIDIA GeForce GT 745A
NVIDIA GeForce GTX 680M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 4GB VRAM GeForce GTX 680M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages
Released 1 years and 2 months late
Boost Clock has increased by 21% (915MHz vs 758MHz)
Lower TDP (33W vs 100W)
NVIDIA GeForce GTX 680M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)
960 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 745A
0.703 TFLOPS
GeForce GTX 680M +189%
2.038 TFLOPS
GeForce GT 745A
VS
GeForce GTX 680M

Graphics Card

Aug 2013
Release Date
Jun 2012
GeForce 700A
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-B (3.0)

Clock Speeds

837 MHz
Base Clock
719 MHz
915 MHz
Boost Clock
758 MHz
900 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
28.80GB/s
Bandwidth
115.2GB/s

Render Config

-
-
-
-
-
-
384
Shading Units
1344
32
TMUs
112
16
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

7.320 GPixel/s
Pixel Rate
21.22 GPixel/s
29.28 GTexel/s
Texture Rate
84.90 GTexel/s
-
-
-
702.7 GFLOPS
FP32 (float)
2.038 TFLOPS
29.28 GFLOPS
FP64 (double)
84.90 GFLOPS

Board Design

33W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

GK107
GPU Name
GK104
N14P-LP
GPU Variant
N13E-GTX-A2
Kepler
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.27 billion
Transistors
3.54 billion
118 mm²
Die Size
294 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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