AMD Radeon R5 A255 vs NVIDIA GeForce RTX 5070 Ti Mobile

VS

AMD Radeon R5 A255

NVIDIA GeForce RTX 5070 Ti Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 12GB VRAM GeForce RTX 5070 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5070 Ti Mobile 's Advantages

Released 11 years late

Boost Clock has increased by 168% (2520MHz vs 940MHz)

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (760.8GB/s vs 64.00GB/s)

6016 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255

0.721 TFLOPS

GeForce RTX 5070 Ti Mobile +4374%

32.26 TFLOPS

Radeon R5 A255

VS

GeForce RTX 5070 Ti Mobile

Graphics Card

Jan 2014

Release Date

Jan 2025

All-In-One

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 5.0 x16

Clock Speeds

925 MHz

Base Clock

2235 MHz

940 MHz

Boost Clock

2520 MHz

1000 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR7

128bit

Memory Bus

192bit

64.00GB/s

Bandwidth

760.8GB/s

Render Config

6

Compute Units

-

SM Count

50

384

Shading Units

6400

24

TMUs

200

8

ROPs

64

-

Tensor Cores

200

-

RT Cores

50

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

40 MB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

161.3 GPixel/s

22.56 GTexel/s

Texture Rate

504.0 GTexel/s

-

FP16 (half)

32.26 TFLOPS

721.9 GFLOPS

FP32 (float)

32.26 TFLOPS

-

FP64 (double)

504.0 GFLOPS

Board Design

Unknown

TDP

140W

-

Suggested PSU

550 W

Portable Device Dependent

Outputs

1x HDMI 2.13x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

GB205

Topaz PRO (216-0858030)

GPU Variant

GB205

GCN 3.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

1.55 billion

Transistors

Unknown

125 mm²

Die Size

Unknown

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

10.1

6.5

Shader Model

6.8

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