AMD Radeon RX 6950 XT vs ATI Radeon HD 4580

VS

AMD Radeon RX 6950 XT

ATI Radeon HD 4580

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6950 XT and 512MB VRAM Radeon HD 4580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6950 XT 's Advantages

Released 10 years and 6 months late

Boost Clock2310MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (576.0GB/s vs 22.18GB/s)

5000 additional rendering cores

ATI Radeon HD 4580 's Advantages

Lower TDP (65W vs 335W)

Score

Benchmark

FP32 (float)

Radeon RX 6950 XT +12282%

23.65 TFLOPS

Radeon HD 4580

0.191 TFLOPS

Radeon RX 6950 XT

VS

Radeon HD 4580

Graphics Card

May 2022

Release Date

Nov 2011

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1860 MHz

Base Clock

-

2310 MHz

Boost Clock

-

2250 MHz

Memory Clock

693 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

22.18GB/s

Render Config

80

Compute Units

3

-

5120

Shading Units

120

320

TMUs

8

128

ROPs

4

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

128 KB

128 MB

L3 Cache

-

Theoretical Performance

295.7 GPixel/s

Pixel Rate

3.184 GPixel/s

739.2 GTexel/s

Texture Rate

6.368 GTexel/s

47.31 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

191.0 GFLOPS

1478 GFLOPS

FP64 (double)

-

Board Design

335W

TDP

65W

700 W

Suggested PSU

250 W

1x HDMI 2.1 2x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

RV635

Navi 21 KXTX (215-121000289)

GPU Variant

RV635 PRO (215-0682008)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

26.8 billion

Transistors

0.378 billion

520 mm²

Die Size

135 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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