AMD Radeon RX 6650M vs AMD Radeon R5 A255

VS

AMD Radeon RX 6650M

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6650M and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650M 's Advantages

Released 8 years late

Boost Clock has increased by 157% (2416MHz vs 940MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 64.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6650M +1100%

8.659 TFLOPS

Radeon R5 A255

0.721 TFLOPS

Radeon RX 6650M

VS

Radeon R5 A255

Graphics Card

Jan 2022

Release Date

Jan 2014

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

2068 MHz

Base Clock

925 MHz

2416 MHz

Boost Clock

940 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

64.00GB/s

Render Config

28

Compute Units

6

-

1792

Shading Units

384

112

TMUs

24

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

7.520 GPixel/s

270.6 GTexel/s

Texture Rate

22.56 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

721.9 GFLOPS

541.2 GFLOPS

FP64 (double)

-

Board Design

120W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

Topaz

-

GPU Variant

Topaz PRO (216-0858030)

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

1.55 billion

237 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2.170

-

6.5

Shader Model

6.5

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