NVIDIA GeForce 805A vs AMD Radeon RX 580X Mobile

VS

NVIDIA GeForce 805A

AMD Radeon RX 580X Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A 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 805A 's Advantages

Lower TDP (15W vs 100W)

AMD Radeon RX 580X Mobile 's Advantages

Released 3 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

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

Radeon RX 580X Mobile +1605%

4.963 TFLOPS

GeForce 805A

VS

Radeon RX 580X Mobile

Graphics Card

Jul 2014

Release Date

Apr 2018

GeForce 800A

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

719 MHz

Base Clock

1000 MHz

758 MHz

Boost Clock

1077 MHz

1001 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

-

192

Shading Units

2304

16

TMUs

144

8

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

34.46 GPixel/s

12.13 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

291.1 GFLOPS

FP32 (float)

4.963 TFLOPS

12.13 GFLOPS

FP64 (double)

310.2 GFLOPS

Board Design

15W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK208

GPU Name

Polaris 20

-

GPU Variant

Polaris 20M XT

Kepler 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.02 billion

Transistors

5.7 billion

87 mm²

Die Size

232 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

6.4

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