Home GPU Comparison NVIDIA GeForce 945A vs NVIDIA GeForce 940MX

NVIDIA GeForce 945A vs NVIDIA GeForce 940MX

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945A and 2GB VRAM GeForce 940MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945A 's Advantages
Larger VRAM bandwidth (40.10GB/s vs 16.02GB/s)
NVIDIA GeForce 940MX 's Advantages
Released 10 months late
Boost Clock has increased by 4% (1242MHz vs 1189MHz)
More VRAM (2GB vs 1024GB)
Lower TDP (23W vs 33W)

Score

Benchmark

FP32 (float)
GeForce 945A
0.913 TFLOPS
GeForce 940MX +4%
0.954 TFLOPS
VS

Graphics Card

Mar 2015
Release Date
Jan 2016
GeForce 900A
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

1006 MHz
Base Clock
1004 MHz
1189 MHz
Boost Clock
1242 MHz
1253 MHz
Memory Clock
1001 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
64bit
40.10GB/s
Bandwidth
16.02GB/s

Render Config

-
-
-
-
-
-
384
Shading Units
384
24
TMUs
24
8
ROPs
8
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SMM)
1024 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

9.512 GPixel/s
Pixel Rate
9.936 GPixel/s
28.54 GTexel/s
Texture Rate
29.81 GTexel/s
-
-
-
913.2 GFLOPS
FP32 (float)
953.9 GFLOPS
28.54 GFLOPS
FP64 (double)
29.81 GFLOPS

Board Design

33W
TDP
23W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

GM108
GPU Name
GM108
-
GPU Variant
N16S-GTR-S
Maxwell
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
Unknown
Transistors
Unknown
Unknown
Die Size
Unknown

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
5.0
CUDA
5.0
5.1
Shader Model
5.1

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