NVIDIA A40 PCIe vs AMD Radeon R9 Nano

VS

NVIDIA A40 PCIe

AMD Radeon R9 Nano

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 4GB VRAM Radeon R9 Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 5 years and 2 months late

Boost Clock1740MHz

More VRAM (48GB vs 4GB)

Larger VRAM bandwidth (695.8GB/s vs 512.0GB/s)

6656 additional rendering cores

AMD Radeon R9 Nano 's Advantages

Lower TDP (175W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +356%

37.42 TFLOPS

Radeon R9 Nano

8.192 TFLOPS

A40 PCIe

VS

Radeon R9 Nano

Graphics Card

Oct 2020

Release Date

Aug 2015

Tesla

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

500 MHz

Memory

48GB

Memory Size

4GB

GDDR6

Memory Type

HBM

384bit

Memory Bus

4096bit

695.8GB/s

Bandwidth

512.0GB/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

2 MB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

64.00 GPixel/s

584.6 GTexel/s

Texture Rate

256.0 GTexel/s

37.42 TFLOPS

FP16 (half)

8.192 TFLOPS

37.42 TFLOPS

FP32 (float)

8.192 TFLOPS

584.6 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

300W

TDP

175W

700 W

Suggested PSU

450 W

3x DisplayPort 1.4a

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

8-pin EPS

Power Connectors

1x 8-pin

Graphics Processor

GA102

GPU Name

Fiji

-

GPU Variant

Fiji XT CA (215-0862120)

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

8.9 billion

628 mm²

Die Size

596 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.3

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