NVIDIA A40 PCIe vs AMD Radeon HD 6450 OEM

VS

NVIDIA A40 PCIe

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 9 years and 8 months late

Boost Clock1740MHz

More VRAM (48GB vs 512GB)

Larger VRAM bandwidth (695.8GB/s vs 8.528GB/s)

10592 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +18610%

37.42 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

A40 PCIe

VS

Radeon HD 6450 OEM

Graphics Card

Oct 2020

Release Date

Feb 2011

Tesla

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

533 MHz

Memory

48GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

64bit

695.8GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

84

SM Count

-

10752

Shading Units

160

336

TMUs

8

112

ROPs

4

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

128 KB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

2.500 GPixel/s

584.6 GTexel/s

Texture Rate

5.000 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

200.0 GFLOPS

584.6 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

18W

700 W

Suggested PSU

200 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

8-pin EPS

Power Connectors

None

Graphics Processor

GA102

GPU Name

Caicos

-

GPU Variant

Junbonator

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

0.37 billion

628 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

5.0

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