Home GPU Comparison NVIDIA GeForce 940M vs NVIDIA GeForce 845M

NVIDIA GeForce 940M vs NVIDIA GeForce 845M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940M 's Advantages
128 additional rendering cores
NVIDIA GeForce 845M 's Advantages
Boost Clock has increased by 7% (1176MHz vs 1098MHz)
Larger VRAM bandwidth (40.10GB/s vs 14.40GB/s)
Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)
GeForce 940M +24%
1.124 TFLOPS
GeForce 845M
0.903 TFLOPS
VS

Graphics Card

Mar 2015
Release Date
Aug 2015
GeForce 900M
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

1020 MHz
Base Clock
1071 MHz
1098 MHz
Boost Clock
1176 MHz
900 MHz
Memory Clock
1253 MHz

Memory

2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
40.10GB/s

Render Config

-
-
-
-
-
-
512
Shading Units
384
32
TMUs
32
16
ROPs
16
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SMM)
2 MB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

17.57 GPixel/s
Pixel Rate
18.82 GPixel/s
35.14 GTexel/s
Texture Rate
37.63 GTexel/s
-
-
-
1124 GFLOPS
FP32 (float)
903.2 GFLOPS
35.14 GFLOPS
FP64 (double)
28.22 GFLOPS

Board Design

75W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GM107
GPU Name
GM108
N16S-GT1-KB-B
GPU Variant
-
Maxwell
Architecture
Maxwell
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
Unknown
148 mm²
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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