NVIDIA A40 PCIe vs AMD Radeon R9 270X

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 7 years late

Boost Clock has increased by 66% (1740MHz vs 1050MHz)

More VRAM (48GB vs 2GB)

Larger VRAM bandwidth (695.8GB/s vs 179.2GB/s)

9472 additional rendering cores

AMD Radeon R9 270X 's Advantages

Lower TDP (180W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +1292%

37.42 TFLOPS

Radeon R9 270X

2.688 TFLOPS

A40 PCIe

VS

Radeon R9 270X

Graphics Card

Oct 2020

Release Date

Oct 2013

Tesla

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

1000 MHz

1740 MHz

Boost Clock

1050 MHz

1812 MHz

Memory Clock

1400 MHz

Memory

48GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

695.8GB/s

Bandwidth

179.2GB/s

Render Config

84

SM Count

-

Compute Units

20

10752

Shading Units

1280

336

TMUs

80

112

ROPs

32

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

33.60 GPixel/s

584.6 GTexel/s

Texture Rate

84.00 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

2.688 TFLOPS

584.6 GFLOPS

FP64 (double)

168.0 GFLOPS

Graphics Processor

GA102

GPU Name

Curacao

-

GPU Variant

Curacao XT (215-0848004)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

2.8 billion

628 mm²

Die Size

212 mm²

Board Design

300W

TDP

180W

700 W

Suggested PSU

450 W

3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

8-pin EPS

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

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