NVIDIA A40 PCIe vs AMD Radeon RX 6400

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

More VRAM (48GB vs 4GB)

Larger VRAM bandwidth (695.8GB/s vs 128.0GB/s)

9984 additional rendering cores

AMD Radeon RX 6400 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 33% (2321MHz vs 1740MHz)

Lower TDP (53W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +949%

37.42 TFLOPS

Radeon RX 6400

3.565 TFLOPS

Blender

A40 PCIe +1183%

4170

Radeon RX 6400

325

A40 PCIe

VS

Radeon RX 6400

Graphics Card

Oct 2020

Release Date

Jan 2022

Tesla

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

1305 MHz

Base Clock

1923 MHz

1740 MHz

Boost Clock

2321 MHz

1812 MHz

Memory Clock

2000 MHz

Memory

48GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

64bit

695.8GB/s

Bandwidth

128.0GB/s

Render Config

84

SM Count

-

Compute Units

12

10752

Shading Units

768

336

TMUs

48

112

ROPs

32

336

Tensor Cores

-

84

RT Cores

12

128 KB (per SM)

L1 Cache

128 KB per Array

6 MB

L2 Cache

1024 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

74.27 GPixel/s

584.6 GTexel/s

Texture Rate

111.4 GTexel/s

37.42 TFLOPS

FP16 (half)

7.130 TFLOPS

37.42 TFLOPS

FP32 (float)

3.565 TFLOPS

584.6 GFLOPS

FP64 (double)

222.8 GFLOPS

Graphics Processor

GA102

GPU Name

Navi 24

-

GPU Variant

Navi 24 XL (215-135000046)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

6 nm

28.3 billion

Transistors

5.4 billion

628 mm²

Die Size

107 mm²

Board Design

300W

TDP

53W

700 W

Suggested PSU

250 W

3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

8-pin EPS

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.6

Related GPU Comparisons

1

NVIDIA A40 PCIe vs NVIDIA L40

2

NVIDIA A40 PCIe vs NVIDIA GeForce RTX 4090

3

NVIDIA A100 PCIe vs NVIDIA A40 PCIe

4

NVIDIA A40 PCIe vs NVIDIA L40S

5

NVIDIA A40 PCIe vs NVIDIA A30 PCIe

6

NVIDIA A40 PCIe vs NVIDIA RTX 6000 Ada

7

NVIDIA RTX A6000 vs NVIDIA A40 PCIe

8

NVIDIA A40 PCIe vs AMD Radeon Pro Vega II Duo

9

NVIDIA A40 PCIe vs AMD Radeon HD 6510

10

NVIDIA A40 PCIe vs NVIDIA PG506 232

Related News

1

Western Digital WD Blue SN5000 SSD Launched: Up to 8TB Capacity with Mixed TLC/QLC Flash

2

Apple's Most Powerful Laptop is Coming: A Preview of the New MacBook Pro

3

AMD Breakthrough: Ryzen AI HX 370 Processor Benchmark Revealed with Aggressive Performance

4

Russian Cosplayer as Marika from 'Elden Ring': Stunning Figure in a High-Slit Gown

5

AMD Patents Multi-Chip Design GPU with Configurable Multi-Mode Capabilities

6

MSI Unveils Laptop with AMD Ryzen AI 300 Chip at Computex Taipei 2024

7

Intel Releases BIOS Update to Improve Gaming Stability for 13th and 14th Gen Core Processors