AMD Radeon R5 A255 vs NVIDIA GeForce 705A

VS

AMD Radeon R5 A255

NVIDIA GeForce 705A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A255 and 1024MB VRAM GeForce 705A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A255 's Advantages

Boost Clock940MHz

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

336 additional rendering cores

NVIDIA GeForce 705A 's Advantages

Released 6 months late

Score

Benchmark

FP32 (float)

Radeon R5 A255 +692%

0.721 TFLOPS

GeForce 705A

0.091 TFLOPS

Radeon R5 A255

VS

GeForce 705A

Graphics Card

Jan 2014

Release Date

Jul 2014

All-In-One

Generation

GeForce 700A

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

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

SM Count

1

384

Shading Units

48

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

950.0 MPixel/s

22.56 GTexel/s

Texture Rate

3.800 GTexel/s

-

721.9 GFLOPS

FP32 (float)

91.20 GFLOPS

-

FP64 (double)

7.600 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

GF119

Topaz PRO (216-0858030)

GPU Variant

GF119 B1

GCN 3.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

0.292 billion

125 mm²

Die Size

79 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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