ATI Mobility Radeon HD 3470 vs AMD Radeon 620 Mobile

VS

ATI Mobility Radeon HD 3470

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3470 and 2GB VRAM Radeon 620 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 620 Mobile 's Advantages

Released 11 years and 4 months late

Boost Clock1024MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (14.40GB/s vs 6.400GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3470

0.054 TFLOPS

Radeon 620 Mobile +1355%

0.786 TFLOPS

Mobility Radeon HD 3470

VS

Radeon 620 Mobile

Graphics Card

Jan 2008

Release Date

May 2019

M8x

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

1024 MHz

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

DDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

6

-

40

Shading Units

384

4

TMUs

24

4

ROPs

8

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

8.192 GPixel/s

2.720 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

54.40 GFLOPS

FP32 (float)

786.4 GFLOPS

-

FP64 (double)

49.15 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M82

GPU Name

Polaris 24

M82-ME XT (216-0707009)

GPU Variant

Polaris 24 XL

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

1.55 billion

67 mm²

Die Size

125 mm²

Graphics Features

10.1

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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