NVIDIA GeForce 705A vs AMD Radeon R5 A255

VS

NVIDIA GeForce 705A

AMD Radeon R5 A255

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

Main Differences

NVIDIA GeForce 705A 's Advantages

Released 6 months late

AMD Radeon R5 A255 's Advantages

Boost Clock940MHz

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

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705A

0.091 TFLOPS

Radeon R5 A255 +692%

0.721 TFLOPS

GeForce 705A

VS

Radeon R5 A255

Graphics Card

Jul 2014

Release Date

Jan 2014

GeForce 700A

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

940 MHz

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

1

SM Count

-

48

Shading Units

384

8

TMUs

24

4

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

7.520 GPixel/s

3.800 GTexel/s

Texture Rate

22.56 GTexel/s

-

91.20 GFLOPS

FP32 (float)

721.9 GFLOPS

7.600 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF119

GPU Name

Topaz

GF119 B1

GPU Variant

Topaz PRO (216-0858030)

Fermi 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

1.55 billion

79 mm²

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2.170

2.1

CUDA

-

5.1

Shader Model

6.5

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