NVIDIA A40 PCIe vs AMD Radeon HD 6970 X2

VS

NVIDIA A40 PCIe

AMD Radeon HD 6970 X2

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Boost Clock1740MHz

More VRAM (48GB vs 2GB)

Larger VRAM bandwidth (695.8GB/s vs 176.0GB/s)

9216 additional rendering cores

Lower TDP (300W vs 375W)

Score

Benchmark

FP32 (float)

A40 PCIe +1284%

37.42 TFLOPS

Radeon HD 6970 X2

2.703 TFLOPS

A40 PCIe

VS

Radeon HD 6970 X2

Graphics Card

Oct 2020

Release Date

Unknown

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

1375 MHz

Memory

48GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

695.8GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

24

84

SM Count

-

10752

Shading Units

1536

336

TMUs

96

112

ROPs

32

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

512 KB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

28.16 GPixel/s

584.6 GTexel/s

Texture Rate

84.48 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

2.703 TFLOPS

584.6 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

375W

700 W

Suggested PSU

750 W

3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

8-pin EPS

Power Connectors

3x 8-pin

Graphics Processor

GA102

GPU Name

Antilles

-

GPU Variant

Antilles XT (215-0807027)

Ampere

Architecture

TeraScale 3

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

2.64 billion

628 mm²

Die Size

389 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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