AMD Radeon R5 A255 vs NVIDIA GeForce G105M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 256MB VRAM GeForce G105M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Released 4 years and 6 months late

Boost Clock940MHz

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 11.20GB/s)

368 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A255 +2020%

0.721 TFLOPS

GeForce G105M

0.034 TFLOPS

Radeon R5 A255

VS

GeForce G105M

Graphics Card

Jan 2014

Release Date

Jul 2009

All-In-One

Generation

GeForce 100M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

2

6

Compute Units

-

384

Shading Units

16

24

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

Theoretical Performance

7.520 GPixel/s

Pixel Rate

2.000 GPixel/s

22.56 GTexel/s

Texture Rate

4.000 GTexel/s

-

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

34.24 GFLOPS

-

FP64 (double)

-

Graphics Processor

Topaz

GPU Name

GT218

Topaz PRO (216-0858030)

GPU Variant

GT218-300-A2

GCN 3.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

0.26 billion

125 mm²

Die Size

57 mm²

Board Design

Unknown

TDP

14W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

1.2

6.5

Shader Model

4.1

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