NVIDIA GeForce 705M vs AMD Radeon RX 580X Mobile

VS

NVIDIA GeForce 705M

AMD Radeon RX 580X Mobile

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

Main Differences

NVIDIA GeForce 705M 's Advantages

Lower TDP (15W vs 100W)

AMD Radeon RX 580X Mobile 's Advantages

Boost Clock1077MHz

More VRAM (8GB vs 1024GB)

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

2256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

Radeon RX 580X Mobile +3395%

4.963 TFLOPS

GeForce 705M

VS

Radeon RX 580X Mobile

Graphics Card

Unknown

Release Date

Apr 2018

GeForce 700M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1077 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

1

SM Count

-

48

Shading Units

2304

8

TMUs

144

4

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

1.476 GPixel/s

Pixel Rate

34.46 GPixel/s

5.904 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

141.7 GFLOPS

FP32 (float)

4.963 TFLOPS

11.81 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

15W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF119

GPU Name

Polaris 20

GF119 B1

GPU Variant

Polaris 20M XT

Fermi 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.292 billion

Transistors

5.7 billion

79 mm²

Die Size

232 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

2.1

CUDA

-

5.1

Shader Model

6.4

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