GeForce GTX 950M vs GeForce 840A
We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 950M and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 950M 's Advantages
Released 1 years late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)
256 additional rendering cores
GeForce 840A 's Advantages
Lower TDP (33W vs 75W)
Score
Benchmark
FP32 (float)
GeForce GTX 950M
+66%
1439
GeForce 840A
863
Graphics Card
Mar 2015
Release Date
Mar 2014
GeForce 900M
Generation
GeForce 800A
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
993 MHz
Base Clock
1029 MHz
1124 MHz
Boost Clock
1124 MHz
900 MHz
Memory Clock
1001 MHz
Memory
4GB
Memory Size
2GB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
16.02GB/s
Render Config
640
Shading Units
384
40
TMUs
16
16
ROPs
8
64 KB (per SMM)
L1 Cache
64 KB (per SMM)
2 MB
L2 Cache
1024 KB
Theoretical Performance
17.98 GPixel/s
Pixel Rate
8.992 GPixel/s
44.96 GTexel/s
Texture Rate
17.98 GTexel/s
1439 GFLOPS
FP32 (float)
863.2 GFLOPS
44.96 GFLOPS
FP64 (double)
26.98 GFLOPS
Board Design
75W
TDP
33W
No outputs
Outputs
No outputs
Graphics Processor
GM107
GPU Name
GM108
N16P-GT
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
