NVIDIA A40 PCIe vs NVIDIA TITAN X Pascal

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 12GB VRAM TITAN X Pascal to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 14% (1740MHz vs 1531MHz)

More VRAM (48GB vs 12GB)

Larger VRAM bandwidth (695.8GB/s vs 480.4GB/s)

7168 additional rendering cores

NVIDIA TITAN X Pascal 's Advantages

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +241%

37.42 TFLOPS

TITAN X Pascal

10.97 TFLOPS

A40 PCIe

VS

TITAN X Pascal

Graphics Card

Oct 2020

Release Date

Aug 2016

Tesla

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

1417 MHz

1740 MHz

Boost Clock

1531 MHz

1812 MHz

Memory Clock

1251 MHz

Memory

48GB

Memory Size

12GB

GDDR6

Memory Type

GDDR5X

384bit

Memory Bus

384bit

695.8GB/s

Bandwidth

480.4GB/s

Render Config

84

SM Count

28

-

Compute Units

-

10752

Shading Units

3584

336

TMUs

224

112

ROPs

96

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

48 KB (per SM)

6 MB

L2 Cache

3 MB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

147.0 GPixel/s

584.6 GTexel/s

Texture Rate

342.9 GTexel/s

37.42 TFLOPS

FP16 (half)

171.5 GFLOPS

37.42 TFLOPS

FP32 (float)

10.97 TFLOPS

584.6 GFLOPS

FP64 (double)

342.9 GFLOPS

Graphics Processor

GA102

GPU Name

GP102

-

GPU Variant

GP102-400-A1

Ampere

Architecture

Pascal

Samsung

Foundry

TSMC

8 nm

Process Size

16 nm

28.3 billion

Transistors

11.8 billion

628 mm²

Die Size

471 mm²

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

8-pin EPS

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

6.1

6.6

Shader Model

6.4

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