AMD Radeon R9 270 vs NVIDIA A40 PCIe

VS

AMD Radeon R9 270

NVIDIA A40 PCIe

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

Main Differences

AMD Radeon R9 270 's Advantages

Lower TDP (150W vs 300W)

NVIDIA A40 PCIe 's Advantages

Released 6 years and 11 months late

Boost Clock has increased by 88% (1740MHz vs 925MHz)

More VRAM (48GB vs 2GB)

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

9472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270

2.368 TFLOPS

A40 PCIe +1480%

37.42 TFLOPS

Radeon R9 270

VS

A40 PCIe

Graphics Card

Nov 2013

Release Date

Oct 2020

Volcanic Islands

Generation

Tesla

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1305 MHz

925 MHz

Boost Clock

1740 MHz

1400 MHz

Memory Clock

1812 MHz

Memory

2GB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

384bit

179.2GB/s

Bandwidth

695.8GB/s

Render Config

20

Compute Units

-

SM Count

84

1280

Shading Units

10752

80

TMUs

336

32

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

6 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

194.9 GPixel/s

74.00 GTexel/s

Texture Rate

584.6 GTexel/s

-

FP16 (half)

37.42 TFLOPS

2.368 TFLOPS

FP32 (float)

37.42 TFLOPS

148.0 GFLOPS

FP64 (double)

584.6 GFLOPS

Board Design

150W

TDP

300W

450 W

Suggested PSU

700 W

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

Outputs

3x DisplayPort 1.4a

1x 6-pin

Power Connectors

8-pin EPS

Graphics Processor

Curacao

GPU Name

GA102

Curacao PRO (215-0848000)

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.8 billion

Transistors

28.3 billion

212 mm²

Die Size

628 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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