NVIDIA A40 PCIe vs ATI Radeon HD 2900 XT

VS

NVIDIA A40 PCIe

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 512MB VRAM Radeon HD 2900 XT 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 5 months late

Boost Clock1740MHz

More VRAM (48GB vs 512GB)

Larger VRAM bandwidth (695.8GB/s vs 106.0GB/s)

10432 additional rendering cores

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +7761%

37.42 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

A40 PCIe

VS

Radeon HD 2900 XT

Graphics Card

Oct 2020

Release Date

May 2007

Tesla

Generation

Radeon R600

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

828 MHz

Memory

48GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

512bit

695.8GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

84

SM Count

-

10752

Shading Units

320

336

TMUs

16

112

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

256 KB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

11.89 GPixel/s

584.6 GTexel/s

Texture Rate

11.89 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

475.5 GFLOPS

584.6 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

215W

700 W

Suggested PSU

550 W

3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

8-pin EPS

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA102

GPU Name

R600

-

GPU Variant

R600 XT (215RGMDKA13FG)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

80 nm

28.3 billion

Transistors

0.72 billion

628 mm²

Die Size

420 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.0

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