NVIDIA A40 PCIe vs ATI Radeon HD 4650

VS

NVIDIA A40 PCIe

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 256MB VRAM Radeon HD 4650 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 1 months late

Boost Clock1740MHz

More VRAM (48GB vs 256GB)

Larger VRAM bandwidth (695.8GB/s vs 22.40GB/s)

10432 additional rendering cores

ATI Radeon HD 4650 's Advantages

Lower TDP (48W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +9644%

37.42 TFLOPS

Radeon HD 4650

0.384 TFLOPS

A40 PCIe

VS

Radeon HD 4650

Graphics Card

Oct 2020

Release Date

Sep 2008

Tesla

Generation

Radeon R700

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

700 MHz

Memory

48GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

128bit

695.8GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

84

SM Count

-

10752

Shading Units

320

336

TMUs

32

112

ROPs

8

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

128 KB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

4.800 GPixel/s

584.6 GTexel/s

Texture Rate

19.20 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

384.0 GFLOPS

584.6 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

48W

700 W

Suggested PSU

200 W

3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

8-pin EPS

Power Connectors

-

Graphics Processor

GA102

GPU Name

RV730

-

GPU Variant

RV730 PRO (215-0719056)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

28.3 billion

Transistors

0.514 billion

628 mm²

Die Size

146 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.1

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