AMD Radeon RX 6400 vs ATI Radeon X1950 XTX Uber Edition

VS

AMD Radeon RX 6400

ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon X1950 XTX Uber Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 15 years late

Boost Clock2321MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 67.20GB/s)

768 additional rendering cores

Lower TDP (53W vs 125W)

Score

Radeon RX 6400

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Jan 2022

Release Date

Jan 2007

Navi II

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 1.0 x16

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

1050 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR4

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

67.20GB/s

Render Config

12

Compute Units

-

768

Shading Units

-

48

TMUs

16

32

ROPs

16

-

12

RT Cores

-

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

-

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

10.72 GPixel/s

111.4 GTexel/s

Texture Rate

10.72 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

-

222.8 GFLOPS

FP64 (double)

-

Board Design

53W

TDP

125W

250 W

Suggested PSU

300 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x VHDCI

None

Power Connectors

1x 6-pin

Graphics Processor

Navi 24

GPU Name

R580+

Navi 24 XL (215-135000046)

GPU Variant

R580+ XT (215BAABKA31FG)

RDNA 2.0

Architecture

R500

TSMC

Foundry

TSMC

6 nm

Process Size

90 nm

5.4 billion

Transistors

0.384 billion

107 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

3.0

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