AMD Radeon HD 6650M vs AMD Radeon 620 Mobile

VS

AMD Radeon HD 6650M

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650M 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 6650M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

96 additional rendering cores

AMD Radeon 620 Mobile 's Advantages

Released 8 years and 4 months late

Boost Clock1024MHz

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6650M

0.576 TFLOPS

Radeon 620 Mobile +36%

0.786 TFLOPS

Radeon HD 6650M

VS

Radeon 620 Mobile

Graphics Card

Jan 2011

Release Date

May 2019

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

1024 MHz

800 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

384

24

TMUs

24

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

8.192 GPixel/s

14.40 GTexel/s

Texture Rate

24.58 GTexel/s

-

FP16 (half)

786.4 GFLOPS

576.0 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

Whistler

GPU Name

Polaris 24

Whistler LE (216-0810028)

GPU Variant

Polaris 24 XL

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.55 billion

118 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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