AMD Radeon RX 6400 vs AMD Radeon HD 6530

VS

AMD Radeon RX 6400

AMD Radeon HD 6530

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 1024MB VRAM Radeon HD 6530 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 10 years and 8 months late

Boost Clock2321MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 19.20GB/s)

368 additional rendering cores

AMD Radeon HD 6530 's Advantages

Lower TDP (39W vs 53W)

Score

Benchmark

FP32 (float)

Radeon RX 6400 +585%

3.565 TFLOPS

Radeon HD 6530

0.52 TFLOPS

Radeon RX 6400

VS

Radeon HD 6530

Graphics Card

Jan 2022

Release Date

May 2011

Navi II

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

600 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

19.20GB/s

Render Config

12

Compute Units

5

-

768

Shading Units

400

48

TMUs

20

32

ROPs

8

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

5.200 GPixel/s

111.4 GTexel/s

Texture Rate

13.00 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

520.0 GFLOPS

222.8 GFLOPS

FP64 (double)

-

Board Design

53W

TDP

39W

250 W

Suggested PSU

200 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

Redwood

Navi 24 XL (215-135000046)

GPU Variant

Redwood PRO (215-0757004)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

0.627 billion

107 mm²

Die Size

104 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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