NVIDIA GeForce GT 550M vs NVIDIA GeForce 840A

VS

NVIDIA GeForce GT 550M

NVIDIA GeForce 840A

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

Main Differences

NVIDIA GeForce GT 550M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

NVIDIA GeForce 840A '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)

Score

Benchmark

FP32 (float)

GeForce GT 550M

0.284 TFLOPS

GeForce 840A +203%

0.863 TFLOPS

GeForce GT 550M

VS

GeForce 840A

Graphics Card

Jan 2011

Release Date

Mar 2014

GeForce 500M

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

900 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

16.02GB/s

Render Config

-

2

SM Count

-

96

Shading Units

384

16

TMUs

16

4

ROPs

8

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.960 GPixel/s

Pixel Rate

8.992 GPixel/s

11.84 GTexel/s

Texture Rate

17.98 GTexel/s

-

284.2 GFLOPS

FP32 (float)

863.2 GFLOPS

23.68 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

35W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF108

GPU Name

GM108

N12P-GT1-A1

GPU Variant

-

Fermi

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

Unknown

116 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

5.0

5.1

Shader Model

5.1

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