Home GPU Comparison NVIDIA GeForce 840M vs NVIDIA GeForce GT 550M

NVIDIA GeForce 840M vs NVIDIA GeForce GT 550M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 1024MB VRAM GeForce GT 550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages
Released 3 years and 2 months late
Boost Clock1124MHz
More VRAM (2GB vs 1024GB)
288 additional rendering cores
Lower TDP (33W vs 35W)
NVIDIA GeForce GT 550M 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

Score

Benchmark

FP32 (float)
GeForce 840M +203%
0.863 TFLOPS
GeForce GT 550M
0.284 TFLOPS
VS

Graphics Card

Mar 2014
Release Date
Jan 2011
GeForce 800M
Generation
GeForce 500M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

1029 MHz
Base Clock
-
1124 MHz
Boost Clock
-
1001 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
16.02GB/s
Bandwidth
28.80GB/s

Render Config

-
-
-
-
SM Count
2
384
Shading Units
96
16
TMUs
16
8
ROPs
4
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

8.992 GPixel/s
Pixel Rate
2.960 GPixel/s
17.98 GTexel/s
Texture Rate
11.84 GTexel/s
-
-
-
863.2 GFLOPS
FP32 (float)
284.2 GFLOPS
26.98 GFLOPS
FP64 (double)
23.68 GFLOPS

Board Design

33W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

GM108
GPU Name
GF108
N15S-GT
GPU Variant
N12P-GT1-A1
Maxwell
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
Unknown
Transistors
0.585 billion
Unknown
Die Size
116 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
2.1
5.1
Shader Model
5.1

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