AMD Radeon RX 580X Mobile vs NVIDIA GeForce GT 745A

VS

AMD Radeon RX 580X Mobile

NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile and 2GB VRAM GeForce GT 745A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X Mobile 's Advantages

Released 4 years and 8 months late

Boost Clock has increased by 18% (1077MHz vs 915MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 28.80GB/s)

1920 additional rendering cores

NVIDIA GeForce GT 745A 's Advantages

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +605%

4.963 TFLOPS

GeForce GT 745A

0.703 TFLOPS

Radeon RX 580X Mobile

VS

GeForce GT 745A

Graphics Card

Apr 2018

Release Date

Aug 2013

Mobility Radeon

Generation

GeForce 700A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

837 MHz

1077 MHz

Boost Clock

915 MHz

2000 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

28.80GB/s

Render Config

36

Compute Units

-

2304

Shading Units

384

144

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

7.320 GPixel/s

155.1 GTexel/s

Texture Rate

29.28 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

702.7 GFLOPS

310.2 GFLOPS

FP64 (double)

29.28 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

GK107

Polaris 20M XT

GPU Variant

N14P-LP

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.27 billion

232 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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