NVIDIA A40 PCIe vs AMD Radeon HD 8670 OEM

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 2GB VRAM Radeon HD 8670 OEM 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 Clock has increased by 66% (1740MHz vs 1050MHz)

More VRAM (48GB vs 2GB)

Larger VRAM bandwidth (695.8GB/s vs 73.60GB/s)

10368 additional rendering cores

AMD Radeon HD 8670 OEM 's Advantages

Lower TDP (75W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +4542%

37.42 TFLOPS

Radeon HD 8670 OEM

0.806 TFLOPS

A40 PCIe

VS

Radeon HD 8670 OEM

Graphics Card

Oct 2020

Release Date

Jan 2013

Tesla

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1305 MHz

Base Clock

1000 MHz

1740 MHz

Boost Clock

1050 MHz

1812 MHz

Memory Clock

1150 MHz

Memory

48GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

695.8GB/s

Bandwidth

73.60GB/s

Render Config

84

SM Count

-

Compute Units

6

10752

Shading Units

384

336

TMUs

24

112

ROPs

8

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

8.400 GPixel/s

584.6 GTexel/s

Texture Rate

25.20 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

806.4 GFLOPS

584.6 GFLOPS

FP64 (double)

50.40 GFLOPS

Graphics Processor

GA102

GPU Name

Oland

-

GPU Variant

Oland XT (215-0837000)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

0.95 billion

628 mm²

Die Size

77 mm²

Board Design

300W

TDP

75W

700 W

Suggested PSU

250 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

8-pin EPS

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

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