NVIDIA GeForce GTX 850A vs NVIDIA GeForce GT 555M

VS

NVIDIA GeForce GTX 850A

NVIDIA GeForce GT 555M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 2GB VRAM GeForce GT 555M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Released 2 years late

Boost Clock936MHz

496 additional rendering cores

NVIDIA GeForce GT 555M 's Advantages

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +207%

1.198 TFLOPS

GeForce GT 555M

0.389 TFLOPS

GeForce GTX 850A

VS

GeForce GT 555M

Graphics Card

Mar 2014

Release Date

Mar 2012

GeForce 800A

Generation

GeForce 500M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

640

Shading Units

144

40

TMUs

24

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

2.700 GPixel/s

37.44 GTexel/s

Texture Rate

16.20 GTexel/s

-

1198 GFLOPS

FP32 (float)

388.8 GFLOPS

37.44 GFLOPS

FP64 (double)

32.40 GFLOPS

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

GF116

N15P-GT-A1

GPU Variant

N12E-GE2-A1

Maxwell

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

1.17 billion

148 mm²

Die Size

238 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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