NVIDIA A40 PCIe vs ATI Radeon X1950 XTX Uber Edition

VS

NVIDIA A40 PCIe ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 512MB VRAM Radeon X1950 XTX Uber Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 13 years and 9 months late

Boost Clock1740MHz

Larger VRAM bandwidth (695.8GB/s vs 67.20GB/s)

10752 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 300W)

Score

A40 PCIe

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Oct 2020

Release Date

Jan 2007

Tesla

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

1050 MHz

Memory

48GB

Memory Size

512MB

GDDR6

Memory Type

GDDR4

384bit

Memory Bus

256bit

695.8GB/s

Bandwidth

67.20GB/s

Render Config

84

SM Count

-

Compute Units

-

10752

Shading Units

-

336

TMUs

16

112

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

10.72 GPixel/s

584.6 GTexel/s

Texture Rate

10.72 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

-

584.6 GFLOPS

FP64 (double)

-

Graphics Processor

GA102

GPU Name

R580+

-

GPU Variant

R580+ XT (215BAABKA31FG)

Ampere

Architecture

R500

Samsung

Foundry

TSMC

8 nm

Process Size

90 nm

28.3 billion

Transistors

0.384 billion

628 mm²

Die Size

352 mm²

Board Design

300W

TDP

125W

700 W

Suggested PSU

300 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x VHDCI

8-pin EPS

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

3.0

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