ATI Radeon HD 5950 vs AMD Radeon RX 6600 XT

VS

ATI Radeon HD 5950

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5950 and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Boost Clock2589MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 128.0GB/s)

608 additional rendering cores

Lower TDP (160W vs 302W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5950

2.088 TFLOPS

Radeon RX 6600 XT +407%

10.6 TFLOPS

ATI Radeon HD 5950

VS

Radeon RX 6600 XT

Graphics Card

Unknown

Release Date

Jul 2021

Evergreen

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1968 MHz

-

Boost Clock

2589 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

256.0GB/s

Render Config

18

Compute Units

32

-

1440

Shading Units

2048

72

TMUs

128

32

ROPs

64

-

RT Cores

32

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

23.20 GPixel/s

Pixel Rate

165.7 GPixel/s

52.20 GTexel/s

Texture Rate

331.4 GTexel/s

-

FP16 (half)

21.21 TFLOPS

2.088 TFLOPS

FP32 (float)

10.60 TFLOPS

-

FP64 (double)

662.8 GFLOPS

Board Design

302W

TDP

160W

700 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Hemlock

GPU Name

Navi 23

Hemlock PRO

GPU Variant

Navi 23 XT (215-130000006)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.154 billion

Transistors

11.06 billion

334 mm²

Die Size

237 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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