NVIDIA A40 PCIe vs AMD Radeon Pro Vega II Duo

VS

NVIDIA A40 PCIe

AMD Radeon Pro Vega II Duo

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 32GB VRAM Radeon Pro Vega II Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 1 years and 4 months late

Boost Clock has increased by 1% (1740MHz vs 1720MHz)

More VRAM (48GB vs 32GB)

6656 additional rendering cores

Lower TDP (300W vs 475W)

AMD Radeon Pro Vega II Duo 's Advantages

Larger VRAM bandwidth (1020GB/s vs 695.8GB/s)

Score

Benchmark

FP32 (float)

A40 PCIe +165%

37.42 TFLOPS

Radeon Pro Vega II Duo

14.09 TFLOPS

Blender

A40 PCIe +408%

4170

Radeon Pro Vega II Duo

820

A40 PCIe

VS

Radeon Pro Vega II Duo

Graphics Card

Oct 2020

Release Date

Jun 2019

Tesla

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

Apple MPX

Clock Speeds

1305 MHz

Base Clock

1400 MHz

1740 MHz

Boost Clock

1720 MHz

1812 MHz

Memory Clock

1000 MHz

Memory

48GB

Memory Size

32GB

GDDR6

Memory Type

HBM2

384bit

Memory Bus

4096bit

695.8GB/s

Bandwidth

1020GB/s

Render Config

-

Compute Units

64

84

SM Count

-

10752

Shading Units

4096

336

TMUs

256

112

ROPs

64

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

4 MB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

110.1 GPixel/s

584.6 GTexel/s

Texture Rate

440.3 GTexel/s

37.42 TFLOPS

FP16 (half)

28.18 TFLOPS

37.42 TFLOPS

FP32 (float)

14.09 TFLOPS

584.6 GFLOPS

FP64 (double)

7.045 TFLOPS

Board Design

300W

TDP

475W

700 W

Suggested PSU

850 W

3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 4x Thunderbolt

8-pin EPS

Power Connectors

None

Graphics Processor

GA102

GPU Name

Vega 20

-

GPU Variant

Vega 20 XT

Ampere

Architecture

GCN 5.1

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

13.23 billion

628 mm²

Die Size

331 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.6

Shader Model

6.7

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