NVIDIA GeForce GT 620M vs NVIDIA GeForce GT 555M

VS

NVIDIA GeForce GT 620M NVIDIA GeForce GT 555M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M 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 GT 620M 's Advantages

Lower TDP (15W vs 35W)

NVIDIA GeForce GT 555M 's Advantages

More VRAM (2GB vs 1GB)

48 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 620M

0.253 TFLOPS

GeForce GT 555M +53%

0.389 TFLOPS

GeForce GT 620M

VS

GeForce GT 555M

Graphics Card

Aug 2012

Release Date

Mar 2012

GeForce 600M

Generation

GeForce 500M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

28.80GB/s

Render Config

2

SM Count

2

-

Compute Units

-

96

Shading Units

144

16

TMUs

24

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

2.640 GPixel/s

Pixel Rate

2.700 GPixel/s

10.56 GTexel/s

Texture Rate

16.20 GTexel/s

-

FP16 (half)

-

253.4 GFLOPS

FP32 (float)

388.8 GFLOPS

21.12 GFLOPS

FP64 (double)

32.40 GFLOPS

Graphics Processor

GF108

GPU Name

GF116

N13P-GLP-A1

GPU Variant

N12E-GE2-A1

Fermi

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.585 billion

Transistors

1.17 billion

116 mm²

Die Size

238 mm²

Board Design

15W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.1

5.1

Shader Model

5.1

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