NVIDIA GeForce GT 620M vs ATI Mobility Radeon HD 3670

VS

NVIDIA GeForce GT 620M ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 620M 's Advantages

Released 4 years and 7 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

Lower TDP (15W vs 30W)

ATI Mobility Radeon HD 3670 's Advantages

24 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 620M +55%

0.253 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

GeForce GT 620M

VS

Mobility Radeon HD 3670

Graphics Card

Aug 2012

Release Date

Jan 2008

GeForce 600M

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

25.60GB/s

Render Config

2

SM Count

-

Compute Units

3

96

Shading Units

120

16

TMUs

8

4

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

128 KB

Theoretical Performance

2.640 GPixel/s

Pixel Rate

2.720 GPixel/s

10.56 GTexel/s

Texture Rate

5.440 GTexel/s

-

FP16 (half)

-

253.4 GFLOPS

FP32 (float)

163.2 GFLOPS

21.12 GFLOPS

FP64 (double)

-

Graphics Processor

GF108

GPU Name

M86

N13P-GLP-A1

GPU Variant

-

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.585 billion

Transistors

0.378 billion

116 mm²

Die Size

135 mm²

Board Design

15W

TDP

30W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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