NVIDIA A40 PCIe vs AMD Radeon RX 550X 640SP

VS

NVIDIA A40 PCIe AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 2GB VRAM Radeon RX 550X 640SP 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 62% (1740MHz vs 1071MHz)

More VRAM (48GB vs 2GB)

Larger VRAM bandwidth (695.8GB/s vs 96.00GB/s)

10112 additional rendering cores

AMD Radeon RX 550X 640SP 's Advantages

Lower TDP (60W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +2629%

37.42 TFLOPS

Radeon RX 550X 640SP

1.371 TFLOPS

A40 PCIe

VS

Radeon RX 550X 640SP

Graphics Card

Oct 2020

Release Date

Apr 2018

Tesla

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1305 MHz

Base Clock

1019 MHz

1740 MHz

Boost Clock

1071 MHz

1812 MHz

Memory Clock

1500 MHz

Memory

48GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

695.8GB/s

Bandwidth

96.00GB/s

Render Config

84

SM Count

-

Compute Units

10

10752

Shading Units

640

336

TMUs

40

112

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

17.14 GPixel/s

584.6 GTexel/s

Texture Rate

42.84 GTexel/s

37.42 TFLOPS

FP16 (half)

1371 GFLOPS

37.42 TFLOPS

FP32 (float)

1371 GFLOPS

584.6 GFLOPS

FP64 (double)

85.68 GFLOPS

Graphics Processor

GA102

GPU Name

Baffin

-

GPU Variant

Baffin LE

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

28.3 billion

Transistors

3 billion

628 mm²

Die Size

123 mm²

Board Design

300W

TDP

60W

700 W

Suggested PSU

250 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

8-pin EPS

Power Connectors

None

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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