NVIDIA GeForce RTX 4080 Ti vs NVIDIA A40 PCIe

VS

NVIDIA GeForce RTX 4080 Ti

NVIDIA A40 PCIe

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 Ti and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Ti 's Advantages

Boost Clock has increased by 50% (2610MHz vs 1740MHz)

3328 additional rendering cores

NVIDIA A40 PCIe 's Advantages

More VRAM (48GB vs 16GB)

Larger VRAM bandwidth (695.8GB/s vs 678.4GB/s)

Lower TDP (300W vs 400W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Ti +96%

73.5 TFLOPS

A40 PCIe

37.42 TFLOPS

GeForce RTX 4080 Ti

VS

A40 PCIe

Graphics Card

Unknown

Release Date

Oct 2020

GeForce 40

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2340 MHz

Base Clock

1305 MHz

2610 MHz

Boost Clock

1740 MHz

1325 MHz

Memory Clock

1812 MHz

Memory

16GB

Memory Size

48GB

GDDR6X

Memory Type

GDDR6

256bit

Memory Bus

384bit

678.4GB/s

Bandwidth

695.8GB/s

Render Config

-

110

SM Count

84

14080

Shading Units

10752

440

TMUs

336

144

ROPs

112

440

Tensor Cores

336

110

RT Cores

84

128 KB (per SM)

L1 Cache

128 KB (per SM)

80 MB

L2 Cache

6 MB

-

Theoretical Performance

375.8 GPixel/s

Pixel Rate

194.9 GPixel/s

1148 GTexel/s

Texture Rate

584.6 GTexel/s

73.50 TFLOPS

FP16 (half)

37.42 TFLOPS

73.50 TFLOPS

FP32 (float)

37.42 TFLOPS

1148 GFLOPS

FP64 (double)

584.6 GFLOPS

Board Design

400W

TDP

300W

800 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

3x DisplayPort 1.4a

1x 16-pin

Power Connectors

8-pin EPS

Graphics Processor

AD102

GPU Name

GA102

AD102-225-A1

GPU Variant

-

Ada Lovelace

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

76.3 billion

Transistors

28.3 billion

609 mm²

Die Size

628 mm²

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

8.9

CUDA

8.6

6.7

Shader Model

6.6

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