AMD Radeon RX 7700S vs AMD Radeon R5 A255

VS

AMD Radeon RX 7700S

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 7700S 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 7700S 's Advantages

Released 9 years late

Boost Clock has increased by 166% (2500MHz vs 940MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 64.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7700S +2740%

20.48 TFLOPS

Radeon R5 A255

0.721 TFLOPS

Radeon RX 7700S

VS

Radeon R5 A255

Graphics Card

Jan 2023

Release Date

Jan 2014

Navi Mobile

Generation

All-In-One

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1500 MHz

Base Clock

925 MHz

2500 MHz

Boost Clock

940 MHz

2250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

288.0GB/s

Bandwidth

64.00GB/s

Render Config

32

Compute Units

6

-

2048

Shading Units

384

128

TMUs

24

64

ROPs

8

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

160.0 GPixel/s

Pixel Rate

7.520 GPixel/s

320.0 GTexel/s

Texture Rate

22.56 GTexel/s

40.96 TFLOPS

FP16 (half)

-

20.48 TFLOPS

FP32 (float)

721.9 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 33

GPU Name

Topaz

Navi 33 XT

GPU Variant

Topaz PRO (216-0858030)

RDNA 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

13.3 billion

Transistors

1.55 billion

204 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2.170

-

6.7

Shader Model

6.5

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