AMD Radeon RX 580 Mobile vs NVIDIA GeForce 705M

VS

AMD Radeon RX 580 Mobile

NVIDIA GeForce 705M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 1024MB VRAM GeForce 705M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 Mobile 's Advantages

Boost Clock1077MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 14.40GB/s)

2256 additional rendering cores

NVIDIA GeForce 705M 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +3395%

4.963 TFLOPS

GeForce 705M

0.142 TFLOPS

Radeon RX 580 Mobile

VS

GeForce 705M

Graphics Card

Apr 2017

Release Date

Unknown

Mobility Radeon

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

14.40GB/s

Render Config

36

Compute Units

-

SM Count

1

2304

Shading Units

48

144

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

1.476 GPixel/s

155.1 GTexel/s

Texture Rate

5.904 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

141.7 GFLOPS

310.2 GFLOPS

FP64 (double)

11.81 GFLOPS

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

GF119

Polaris 20M XT

GPU Variant

GF119 B1

GCN 4.0

Architecture

Fermi 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.292 billion

232 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

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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