Home GPU Comparison NVIDIA GeForce GT 745A vs AMD FirePro M3900

NVIDIA GeForce GT 745A vs AMD FirePro M3900

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 745A and 1024MB VRAM FirePro M3900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 745A 's Advantages
Released 2 years and 10 months late
Boost Clock915MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
224 additional rendering cores
AMD FirePro M3900 's Advantages
Lower TDP (20W vs 33W)

Score

Benchmark

FP32 (float)
GeForce GT 745A +192%
0.703 TFLOPS
FirePro M3900
0.24 TFLOPS
VS

Graphics Card

Aug 2013
Release Date
Oct 2010
GeForce 700A
Generation
FirePro Mobile
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

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

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
14.40GB/s

Render Config

-
Compute Units
2
-
-
-
384
Shading Units
160
32
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

7.320 GPixel/s
Pixel Rate
3.000 GPixel/s
29.28 GTexel/s
Texture Rate
6.000 GTexel/s
-
-
-
702.7 GFLOPS
FP32 (float)
240.0 GFLOPS
29.28 GFLOPS
FP64 (double)
-

Board Design

33W
TDP
20W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GK107
GPU Name
Seymour
N14P-LP
GPU Variant
Seymour GL
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
0.37 billion
118 mm²
Die Size
67 mm²

Graphics Features

12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0

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