AMD Radeon RX 6400 vs ATI Radeon HD 5950

VS

AMD Radeon RX 6400

ATI Radeon HD 5950

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 1024MB VRAM ATI Radeon HD 5950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Boost Clock2321MHz

More VRAM (4GB vs 1024GB)

Lower TDP (53W vs 302W)

ATI Radeon HD 5950 's Advantages

672 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6400 +70%

3.565 TFLOPS

ATI Radeon HD 5950

2.088 TFLOPS

Radeon RX 6400

VS

ATI Radeon HD 5950

Graphics Card

Jan 2022

Release Date

Unknown

Navi II

Generation

Evergreen

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

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

128.0GB/s

Render Config

12

Compute Units

18

-

768

Shading Units

1440

48

TMUs

72

32

ROPs

32

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

23.20 GPixel/s

111.4 GTexel/s

Texture Rate

52.20 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

2.088 TFLOPS

222.8 GFLOPS

FP64 (double)

-

Board Design

53W

TDP

302W

250 W

Suggested PSU

700 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 24

GPU Name

Hemlock

Navi 24 XL (215-135000046)

GPU Variant

Hemlock PRO

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

2.154 billion

107 mm²

Die Size

334 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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