GeForce 845M vs GeForce 920MX
We compared two Mobile platform GPUs: 2GB VRAM GeForce 845M and 2GB VRAM GeForce 920MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 845M 's Advantages
Boost Clock has increased by 18% (1176MHz vs 993MHz)
Larger VRAM bandwidth (40.10GB/s vs 14.40GB/s)
128 additional rendering cores
GeForce 920MX 's Advantages
Released 7 months late
Lower TDP (16W vs 33W)
Score
Benchmark
FP32 (float)
GeForce 845M
+77%
903
GeForce 920MX
508
Graphics Card
Aug 2015
Release Date
Mar 2016
GeForce 800M
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
1071 MHz
Base Clock
965 MHz
1176 MHz
Boost Clock
993 MHz
1253 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
64bit
40.10GB/s
Bandwidth
14.40GB/s
Render Config
384
Shading Units
256
32
TMUs
24
16
ROPs
8
64 KB (per SMM)
L1 Cache
64 KB (per SMM)
1024 KB
L2 Cache
1024 KB
Theoretical Performance
18.82 GPixel/s
Pixel Rate
7.944 GPixel/s
37.63 GTexel/s
Texture Rate
23.83 GTexel/s
903.2 GFLOPS
FP32 (float)
508.4 GFLOPS
28.22 GFLOPS
FP64 (double)
15.89 GFLOPS
Board Design
33W
TDP
16W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GM108
GPU Name
GM108
-
GPU Variant
N16V-GMR1-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
