NVIDIA GeForce GT 620M vs NVIDIA GeForce GTX 970M

VS

NVIDIA GeForce GT 620M NVIDIA GeForce GTX 970M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 3GB VRAM GeForce GTX 970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970M 's Advantages

Released 2 years and 2 months late

Boost Clock1038MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (120.3GB/s vs 28.80GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 620M

0.253 TFLOPS

GeForce GTX 970M +950%

2.657 TFLOPS

GeForce GT 620M

VS

GeForce GTX 970M

Graphics Card

Aug 2012

Release Date

Oct 2014

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

924 MHz

-

Boost Clock

1038 MHz

900 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

3GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

28.80GB/s

Bandwidth

120.3GB/s

Render Config

2

SM Count

-

Compute Units

-

96

Shading Units

1280

16

TMUs

80

4

ROPs

48

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

1536 KB

Theoretical Performance

2.640 GPixel/s

Pixel Rate

49.82 GPixel/s

10.56 GTexel/s

Texture Rate

83.04 GTexel/s

-

FP16 (half)

-

253.4 GFLOPS

FP32 (float)

2.657 TFLOPS

21.12 GFLOPS

FP64 (double)

83.04 GFLOPS

Graphics Processor

GF108

GPU Name

GM204

N13P-GLP-A1

GPU Variant

N16E-GT-A2

Fermi

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

5.2 billion

116 mm²

Die Size

398 mm²

Board Design

15W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

5.2

5.1

Shader Model

6.7 (6.4)

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