NVIDIA A40 PCIe vs ATI Radeon X800 GT AGP

VS

NVIDIA A40 PCIe

ATI Radeon X800 GT AGP

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 256MB VRAM Radeon X800 GT AGP 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 11 months late

Boost Clock1740MHz

More VRAM (48GB vs 256GB)

Larger VRAM bandwidth (695.8GB/s vs 31.55GB/s)

10752 additional rendering cores

ATI Radeon X800 GT AGP 's Advantages

Lower TDP (40W vs 300W)

Score

A40 PCIe

VS

Radeon X800 GT AGP

Graphics Card

Oct 2020

Release Date

Nov 2007

Tesla

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

493 MHz

Memory

48GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

256bit

695.8GB/s

Bandwidth

31.55GB/s

Render Config

-

84

SM Count

-

10752

Shading Units

-

336

TMUs

8

112

ROPs

8

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

3.784 GPixel/s

584.6 GTexel/s

Texture Rate

3.784 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

-

584.6 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

40W

700 W

Suggested PSU

200 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

8-pin EPS

Power Connectors

1x Molex

Graphics Processor

GA102

GPU Name

R420

-

GPU Variant

R420 GT (215RAACGA12F)

Ampere

Architecture

R400

Samsung

Foundry

TSMC

8 nm

Process Size

130 nm

28.3 billion

Transistors

0.16 billion

628 mm²

Die Size

281 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0b (9_2)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

-

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