AMD Radeon RX 6400 vs ATI Radeon HD 4830

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 13 years and 3 months late

Boost Clock2321MHz

Larger VRAM bandwidth (128.0GB/s vs 57.60GB/s)

128 additional rendering cores

Lower TDP (53W vs 95W)

Score

Benchmark

FP32 (float)

Radeon RX 6400 +384%

3.565 TFLOPS

Radeon HD 4830

0.736 TFLOPS

Radeon RX 6400

VS

Radeon HD 4830

Graphics Card

Jan 2022

Release Date

Oct 2008

Navi II

Generation

Radeon R700

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

900 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

57.60GB/s

Render Config

-

SM Count

-

12

Compute Units

8

768

Shading Units

640

48

TMUs

32

ROPs

16

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

9.200 GPixel/s

111.4 GTexel/s

Texture Rate

18.40 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

736.0 GFLOPS

222.8 GFLOPS

FP64 (double)

147.2 GFLOPS

Graphics Processor

Navi 24

GPU Name

RV770

Navi 24 XL (215-135000046)

GPU Variant

RV770 LE (215-0669075)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.956 billion

107 mm²

Die Size

256 mm²

Board Design

53W

TDP

95W

250 W

Suggested PSU

250 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

-

6.6

Shader Model

4.1

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