AMD Radeon HD 7730M vs AMD Radeon 620 Mobile

VS

AMD Radeon HD 7730M

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M 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 7730M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

128 additional rendering cores

Lower TDP (25W vs 50W)

AMD Radeon 620 Mobile 's Advantages

Released 7 years and 1 months late

Boost Clock has increased by 52% (1024MHz vs 675MHz)

Score

Benchmark

FP32 (float)

Radeon HD 7730M

0.691 TFLOPS

Radeon 620 Mobile +13%

0.786 TFLOPS

Radeon HD 7730M

VS

Radeon 620 Mobile

Graphics Card

Apr 2012

Release Date

May 2019

London

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

575 MHz

Base Clock

730 MHz

675 MHz

Boost Clock

1024 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

8

Compute Units

6

-

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

8.192 GPixel/s

21.60 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

691.2 GFLOPS

FP32 (float)

786.4 GFLOPS

43.20 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

25W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Chelsea

GPU Name

Polaris 24

Chelsea LE (216-0834065)

GPU Variant

Polaris 24 XL

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.55 billion

123 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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