NVIDIA GeForce 705M vs AMD Radeon R5 M255

VS

NVIDIA GeForce 705M

AMD Radeon R5 M255

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Boost Clock940MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

Radeon R5 M255 +407%

0.721 TFLOPS

GeForce 705M

VS

Radeon R5 M255

Graphics Card

Unknown

Release Date

Oct 2014

GeForce 700M

Generation

Gem System

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

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

32.00GB/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

1.476 GPixel/s

Pixel Rate

7.520 GPixel/s

5.904 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

721.9 GFLOPS

141.7 GFLOPS

FP32 (float)

721.9 GFLOPS

11.81 GFLOPS

FP64 (double)

45.12 GFLOPS

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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