NVIDIA A40 PCIe vs AMD Radeon RX 580X

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 8GB VRAM Radeon RX 580X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 2 years and 6 months late

Boost Clock has increased by 30% (1740MHz vs 1340MHz)

More VRAM (48GB vs 8GB)

Larger VRAM bandwidth (695.8GB/s vs 256.0GB/s)

8448 additional rendering cores

AMD Radeon RX 580X 's Advantages

Lower TDP (185W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +505%

37.42 TFLOPS

Radeon RX 580X

6.175 TFLOPS

A40 PCIe

VS

Radeon RX 580X

Graphics Card

Oct 2020

Release Date

Apr 2018

Tesla

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

1257 MHz

1740 MHz

Boost Clock

1340 MHz

1812 MHz

Memory Clock

2000 MHz

Memory

48GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

695.8GB/s

Bandwidth

256.0GB/s

Render Config

84

SM Count

-

Compute Units

36

10752

Shading Units

2304

336

TMUs

144

112

ROPs

32

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

2 MB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

42.88 GPixel/s

584.6 GTexel/s

Texture Rate

193.0 GTexel/s

37.42 TFLOPS

FP16 (half)

6.175 TFLOPS

37.42 TFLOPS

FP32 (float)

6.175 TFLOPS

584.6 GFLOPS

FP64 (double)

385.9 GFLOPS

Graphics Processor

GA102

GPU Name

Polaris 20

-

GPU Variant

Polaris 20 XTX (215-0910038)

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

28.3 billion

Transistors

5.7 billion

628 mm²

Die Size

232 mm²

Board Design

300W

TDP

185W

700 W

Suggested PSU

450 W

3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

8-pin EPS

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.4

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