NVIDIA GeForce RTX 3080 Ti vs NVIDIA A40 PCIe

VS

NVIDIA GeForce RTX 3080 Ti NVIDIA A40 PCIe

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 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 3080 Ti 's Advantages

Released 7 months late

Larger VRAM bandwidth (912.4GB/s vs 695.8GB/s)

NVIDIA A40 PCIe 's Advantages

Boost Clock has increased by 5% (1740MHz vs 1665MHz)

More VRAM (48GB vs 12GB)

512 additional rendering cores

Lower TDP (300W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti

34.1 TFLOPS

A40 PCIe +9%

37.42 TFLOPS

GeForce RTX 3080 Ti

VS

A40 PCIe

Graphics Card

May 2021

Release Date

Oct 2020

GeForce 30

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1365 MHz

Base Clock

1305 MHz

1665 MHz

Boost Clock

1740 MHz

1188 MHz

Memory Clock

1812 MHz

Memory

12GB

Memory Size

48GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

384bit

912.4GB/s

Bandwidth

695.8GB/s

Render Config

80

SM Count

84

-

Compute Units

-

10240

Shading Units

10752

320

TMUs

336

112

ROPs

112

320

Tensor Cores

336

80

RT Cores

84

128 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

6 MB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

194.9 GPixel/s

532.8 GTexel/s

Texture Rate

584.6 GTexel/s

34.10 TFLOPS

FP16 (half)

37.42 TFLOPS

34.10 TFLOPS

FP32 (float)

37.42 TFLOPS

532.8 GFLOPS

FP64 (double)

584.6 GFLOPS

Graphics Processor

GA102

GPU Name

GA102

GA102-225-A1

GPU Variant

-

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

350W

TDP

300W

750 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

3x DisplayPort 1.4a

1x 12-pin

Power Connectors

8-pin EPS

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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