AMD Radeon HD 6670 vs NVIDIA RTX A4000H

VS

AMD Radeon HD 6670

NVIDIA RTX A4000H

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 16GB VRAM RTX A4000H 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 140W)

NVIDIA RTX A4000H 's Advantages

Released 10 years late

Boost Clock1560MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 64.00GB/s)

5664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

RTX A4000H +2396%

19.17 TFLOPS

Radeon HD 6670

VS

RTX A4000H

Graphics Card

Apr 2011

Release Date

Apr 2021

Northern Islands

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1560 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

448.0GB/s

Render Config

6

Compute Units

-

SM Count

48

480

Shading Units

6144

24

TMUs

192

8

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

149.8 GPixel/s

19.20 GTexel/s

Texture Rate

299.5 GTexel/s

-

FP16 (half)

19.17 TFLOPS

768.0 GFLOPS

FP32 (float)

19.17 TFLOPS

-

FP64 (double)

299.5 GFLOPS

Board Design

66W

TDP

140W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

Turks

GPU Name

GA104

Turks XT (215-0803000)

GPU Variant

GA104-???-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

0.716 billion

Transistors

17.4 billion

118 mm²

Die Size

392 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

6.7

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