NVIDIA A40 PCIe vs NVIDIA GeForce RTX 3090

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 24GB VRAM GeForce RTX 3090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Boost Clock has increased by 3% (1740MHz vs 1695MHz)

More VRAM (48GB vs 24GB)

256 additional rendering cores

Lower TDP (300W vs 350W)

NVIDIA GeForce RTX 3090 's Advantages

Larger VRAM bandwidth (936.2GB/s vs 695.8GB/s)

Score

Benchmark

FP32 (float)

A40 PCIe +5%

37.42 TFLOPS

GeForce RTX 3090

35.58 TFLOPS

A40 PCIe

VS

GeForce RTX 3090

Graphics Card

Oct 2020

Release Date

Sep 2020

Tesla

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1305 MHz

Base Clock

1395 MHz

1740 MHz

Boost Clock

1695 MHz

1812 MHz

Memory Clock

1219 MHz

Memory

48GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6X

384bit

Memory Bus

384bit

695.8GB/s

Bandwidth

936.2GB/s

Render Config

84

SM Count

82

-

Compute Units

-

10752

Shading Units

10496

336

TMUs

328

112

ROPs

112

336

Tensor Cores

328

84

RT Cores

82

128 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

6 MB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

189.8 GPixel/s

584.6 GTexel/s

Texture Rate

556.0 GTexel/s

37.42 TFLOPS

FP16 (half)

35.58 TFLOPS

37.42 TFLOPS

FP32 (float)

35.58 TFLOPS

584.6 GFLOPS

FP64 (double)

556.0 GFLOPS

Graphics Processor

GA102

GPU Name

GA102

-

GPU Variant

GA102-300-A1

Ampere

Architecture

Ampere

Samsung

Foundry

Samsung

8 nm

Process Size

8 nm

28.3 billion

Transistors

28.3 billion

628 mm²

Die Size

628 mm²

Board Design

300W

TDP

350W

700 W

Suggested PSU

750 W

3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

8-pin EPS

Power Connectors

1x 12-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

8.6

6.6

Shader Model

6.6

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