AMD Radeon HD 7470M vs AMD Radeon 620 Mobile

VS

AMD Radeon HD 7470M

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7470M 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 HD 7470M 's Advantages

Lower TDP (25W vs 50W)

AMD Radeon 620 Mobile 's Advantages

Released 7 years and 4 months late

Boost Clock has increased by 28% (1024MHz vs 800MHz)

More VRAM (2GB vs 1024GB)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7470M

0.256 TFLOPS

Radeon 620 Mobile +207%

0.786 TFLOPS

Radeon HD 7470M

VS

Radeon 620 Mobile

Graphics Card

Jan 2012

Release Date

May 2019

London

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

750 MHz

Base Clock

730 MHz

800 MHz

Boost Clock

1024 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

6

-

160

Shading Units

384

8

TMUs

24

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

8.192 GPixel/s

6.400 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

256.0 GFLOPS

FP32 (float)

786.4 GFLOPS

-

FP64 (double)

49.15 GFLOPS

Board Design

25W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Polaris 24

Seymour XT (216-0810084)

GPU Variant

Polaris 24 XL

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.55 billion

67 mm²

Die Size

125 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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