ATI Mobility Radeon HD 3450 vs NVIDIA GeForce GT 620M

VS

ATI Mobility Radeon HD 3450

NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 and 1024MB VRAM GeForce GT 620M 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 6.400GB/s)

56 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3450

0.04 TFLOPS

GeForce GT 620M +532%

0.253 TFLOPS

Mobility Radeon HD 3450

VS

GeForce GT 620M

Graphics Card

Jan 2008

Release Date

Aug 2012

M8x

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

28.80GB/s

Render Config

2

Compute Units

-

SM Count

2

40

Shading Units

96

4

TMUs

16

4

ROPs

4

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

2.640 GPixel/s

2.000 GTexel/s

Texture Rate

10.56 GTexel/s

-

40.00 GFLOPS

FP32 (float)

253.4 GFLOPS

-

FP64 (double)

21.12 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

GF108

M82-SCE XT (216-0707011)

GPU Variant

N13P-GLP-A1

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

0.585 billion

67 mm²

Die Size

116 mm²

Graphics Features

10.1

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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