AMD Radeon RX 7800 XT vs NVIDIA A40 PCIe

VS

AMD Radeon RX 7800 XT

NVIDIA A40 PCIe

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 2 years and 10 months late

Boost Clock has increased by 40% (2430MHz vs 1740MHz)

Lower TDP (263W vs 300W)

NVIDIA A40 PCIe 's Advantages

More VRAM (48GB vs 16GB)

Larger VRAM bandwidth (695.8GB/s vs 624.1GB/s)

6912 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT

37.32 TFLOPS

A40 PCIe

37.42 TFLOPS

Blender

Radeon RX 7800 XT

2652

A40 PCIe +57%

4170

Radeon RX 7800 XT

VS

A40 PCIe

Graphics Card

Aug 2023

Release Date

Oct 2020

Navi III

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1295 MHz

Base Clock

1305 MHz

2430 MHz

Boost Clock

1740 MHz

2438 MHz

Memory Clock

1812 MHz

Memory

16GB

Memory Size

48GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

384bit

624.1GB/s

Bandwidth

695.8GB/s

Render Config

60

Compute Units

-

SM Count

84

3840

Shading Units

10752

240

TMUs

336

96

ROPs

112

-

Tensor Cores

336

60

RT Cores

84

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

6 MB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

194.9 GPixel/s

583.2 GTexel/s

Texture Rate

584.6 GTexel/s

74.65 TFLOPS

FP16 (half)

37.42 TFLOPS

37.32 TFLOPS

FP32 (float)

37.42 TFLOPS

1166 GFLOPS

FP64 (double)

584.6 GFLOPS

Board Design

263W

TDP

300W

600 W

Suggested PSU

700 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

3x DisplayPort 1.4a

2x 8-pin

Power Connectors

8-pin EPS

Graphics Processor

Navi 32

GPU Name

GA102

Navi 32 XT (215-180000006)

GPU Variant

-

RDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

28.1 billion

Transistors

28.3 billion

346 mm²

Die Size

628 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.6

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