AMD Radeon HD 6670 vs NVIDIA A40 PCIe

VS

AMD Radeon HD 6670

NVIDIA A40 PCIe

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670 's Advantages

Lower TDP (66W vs 300W)

NVIDIA A40 PCIe 's Advantages

Released 9 years and 6 months late

Boost Clock1740MHz

More VRAM (48GB vs 1024GB)

Larger VRAM bandwidth (695.8GB/s vs 64.00GB/s)

10272 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

A40 PCIe +4772%

37.42 TFLOPS

Radeon HD 6670

VS

A40 PCIe

Graphics Card

Apr 2011

Release Date

Oct 2020

Northern Islands

Generation

Tesla

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1305 MHz

-

Boost Clock

1740 MHz

1000 MHz

Memory Clock

1812 MHz

Memory

1024MB

Memory Size

48GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

695.8GB/s

Render Config

6

Compute Units

-

SM Count

84

480

Shading Units

10752

24

TMUs

336

8

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

194.9 GPixel/s

19.20 GTexel/s

Texture Rate

584.6 GTexel/s

-

FP16 (half)

37.42 TFLOPS

768.0 GFLOPS

FP32 (float)

37.42 TFLOPS

-

FP64 (double)

584.6 GFLOPS

Board Design

66W

TDP

300W

250 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

3x DisplayPort 1.4a

None

Power Connectors

8-pin EPS

Graphics Processor

Turks

GPU Name

GA102

Turks XT (215-0803000)

GPU Variant

-

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

0.716 billion

Transistors

28.3 billion

118 mm²

Die Size

628 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.6

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