AMD Radeon RX 580 Mobile vs NVIDIA GeForce 805A

VS

AMD Radeon RX 580 Mobile

NVIDIA GeForce 805A

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580 Mobile and 1024MB VRAM GeForce 805A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 Mobile 's Advantages

Released 2 years and 9 months late

Boost Clock has increased by 42% (1077MHz vs 758MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 16.02GB/s)

2112 additional rendering cores

NVIDIA GeForce 805A 's Advantages

Lower TDP (15W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580 Mobile +1605%

4.963 TFLOPS

GeForce 805A

0.291 TFLOPS

Radeon RX 580 Mobile

VS

GeForce 805A

Graphics Card

Apr 2017

Release Date

Jul 2014

Mobility Radeon

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

719 MHz

1077 MHz

Boost Clock

758 MHz

2000 MHz

Memory Clock

1001 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

16.02GB/s

Render Config

36

Compute Units

-

2304

Shading Units

192

144

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

6.064 GPixel/s

155.1 GTexel/s

Texture Rate

12.13 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

291.1 GFLOPS

310.2 GFLOPS

FP64 (double)

12.13 GFLOPS

Board Design

100W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

GK208

Polaris 20M XT

GPU Variant

-

GCN 4.0

Architecture

Kepler 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.02 billion

232 mm²

Die Size

87 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

3.5

6.4

Shader Model

5.1

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