NVIDIA A40 PCIe vs AMD Radeon HD 6870 1600SP Edition

VS

NVIDIA A40 PCIe

AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 7 years and 9 months late

Boost Clock1740MHz

More VRAM (48GB vs 1024GB)

Larger VRAM bandwidth (695.8GB/s vs 134.4GB/s)

9152 additional rendering cores

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +1275%

37.42 TFLOPS

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

A40 PCIe

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Oct 2020

Release Date

Jan 2013

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

1050 MHz

Memory

48GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

256bit

695.8GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

20

84

SM Count

-

10752

Shading Units

1600

336

TMUs

80

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

27.20 GPixel/s

584.6 GTexel/s

Texture Rate

68.00 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

2.720 TFLOPS

584.6 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

300W

TDP

175W

700 W

Suggested PSU

450 W

3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

8-pin EPS

Power Connectors

2x 6-pin

Graphics Processor

GA102

GPU Name

Cypress

-

GPU Variant

Cypress XT (215-0735033)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

2.154 billion

628 mm²

Die Size

334 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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