NVIDIA A40 PCIe vs ATI Radeon HD 3450 PCI

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 512MB VRAM Radeon HD 3450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 12 years and 9 months late

Boost Clock1740MHz

Larger VRAM bandwidth (695.8GB/s vs 6.400GB/s)

10712 additional rendering cores

ATI Radeon HD 3450 PCI 's Advantages

Lower TDP (25W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +77858%

37.42 TFLOPS

Radeon HD 3450 PCI

0.048 TFLOPS

A40 PCIe

VS

Radeon HD 3450 PCI

Graphics Card

Oct 2020

Release Date

Jan 2008

Tesla

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

400 MHz

Memory

48GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

384bit

Memory Bus

64bit

695.8GB/s

Bandwidth

6.400GB/s

Render Config

84

SM Count

-

Compute Units

2

10752

Shading Units

40

336

TMUs

4

112

ROPs

4

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

64 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

2.400 GPixel/s

584.6 GTexel/s

Texture Rate

2.400 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

48.00 GFLOPS

584.6 GFLOPS

FP64 (double)

-

Graphics Processor

GA102

GPU Name

RV620

-

GPU Variant

RV620 LE

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

28.3 billion

Transistors

0.181 billion

628 mm²

Die Size

67 mm²

Board Design

300W

TDP

25W

700 W

Suggested PSU

200 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x S-Video

8-pin EPS

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.1

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