NVIDIA GeForce GT 620M vs ATI Mobility Radeon HD 4650

VS

NVIDIA GeForce GT 620M ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 620M 's Advantages

Released 3 years and 7 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 19.20GB/s)

Lower TDP (15W vs 35W)

ATI Mobility Radeon HD 4650 's Advantages

224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 620M

0.253 TFLOPS

Mobility Radeon HD 4650 +26%

0.32 TFLOPS

GeForce GT 620M

VS

Mobility Radeon HD 4650

Graphics Card

Aug 2012

Release Date

Jan 2009

GeForce 600M

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

DDR2

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

19.20GB/s

Render Config

2

SM Count

-

Compute Units

4

96

Shading Units

320

16

TMUs

32

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

2.640 GPixel/s

Pixel Rate

4.000 GPixel/s

10.56 GTexel/s

Texture Rate

16.00 GTexel/s

-

FP16 (half)

-

253.4 GFLOPS

FP32 (float)

320.0 GFLOPS

21.12 GFLOPS

FP64 (double)

-

Graphics Processor

GF108

GPU Name

M96

N13P-GLP-A1

GPU Variant

-

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.585 billion

Transistors

0.514 billion

116 mm²

Die Size

146 mm²

Board Design

15W

TDP

35W

-

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

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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