NVIDIA RTX A400 vs AMD Radeon HD 6670

VS

NVIDIA RTX A400

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 1024MB VRAM Radeon HD 6670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 13 years late

Boost Clock1762MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)

288 additional rendering cores

Lower TDP (50W vs 66W)

Score

Benchmark

FP32 (float)

RTX A400 +252%

2.706 TFLOPS

Radeon HD 6670

0.768 TFLOPS

RTX A400

VS

Radeon HD 6670

Graphics Card

Apr 2024

Release Date

Apr 2011

Quadro Ampere(Ax000)

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1417 MHz

Base Clock

-

1762 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

96.00GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

SM Count

-

768

Shading Units

480

24

TMUs

24

16

ROPs

8

24

Tensor Cores

-

6

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

28.19 GPixel/s

Pixel Rate

6.400 GPixel/s

42.29 GTexel/s

Texture Rate

19.20 GTexel/s

2.706 TFLOPS

FP16 (half)

-

2.706 TFLOPS

FP32 (float)

768.0 GFLOPS

42.29 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

66W

250 W

Suggested PSU

250 W

4x mini-DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

GA107

GPU Name

Turks

-

GPU Variant

Turks XT (215-0803000)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

8.7 billion

Transistors

0.716 billion

200 mm²

Die Size

118 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

-

6.8

Shader Model

5.0

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