AMD Radeon RX 6700M vs AMD Radeon R5 A255

VS

AMD Radeon RX 6700M

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 10GB VRAM Radeon RX 6700M 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 6700M 's Advantages

Released 7 years and 4 months late

Boost Clock has increased by 155% (2400MHz vs 940MHz)

More VRAM (10GB vs 1024GB)

Larger VRAM bandwidth (320.0GB/s vs 64.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6700M +1433%

11.06 TFLOPS

Radeon R5 A255

0.721 TFLOPS

Radeon RX 6700M

VS

Radeon R5 A255

Graphics Card

May 2021

Release Date

Jan 2014

Mobility Radeon

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1489 MHz

Base Clock

925 MHz

2400 MHz

Boost Clock

940 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

10GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

160bit

Memory Bus

128bit

320.0GB/s

Bandwidth

64.00GB/s

Render Config

36

Compute Units

6

-

2304

Shading Units

384

144

TMUs

24

64

ROPs

8

-

36

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

80 MB

L3 Cache

-

Theoretical Performance

153.6 GPixel/s

Pixel Rate

7.520 GPixel/s

345.6 GTexel/s

Texture Rate

22.56 GTexel/s

22.12 TFLOPS

FP16 (half)

-

11.06 TFLOPS

FP32 (float)

721.9 GFLOPS

691.2 GFLOPS

FP64 (double)

-

Board Design

135W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

Topaz

Navi 22

GPU Variant

Topaz PRO (216-0858030)

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

1.55 billion

335 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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