AMD Radeon RX 6650 XT vs ATI Radeon HD 5950

VS

AMD Radeon RX 6650 XT

ATI Radeon HD 5950

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT 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 6650 XT 's Advantages

Boost Clock2635MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (280.3GB/s vs 128.0GB/s)

608 additional rendering cores

Lower TDP (176W vs 302W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +416%

10.79 TFLOPS

ATI Radeon HD 5950

2.088 TFLOPS

Radeon RX 6650 XT

VS

ATI Radeon HD 5950

Graphics Card

May 2022

Release Date

Unknown

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2055 MHz

Base Clock

-

2635 MHz

Boost Clock

-

2190 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

280.3GB/s

Bandwidth

128.0GB/s

Render Config

32

Compute Units

18

-

2048

Shading Units

1440

128

TMUs

72

64

ROPs

32

-

32

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

32 MB

L3 Cache

-

Theoretical Performance

168.6 GPixel/s

Pixel Rate

23.20 GPixel/s

337.3 GTexel/s

Texture Rate

52.20 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

2.088 TFLOPS

674.6 GFLOPS

FP64 (double)

-

Board Design

176W

TDP

302W

450 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 23

GPU Name

Hemlock

Navi 23 KXT (215-130000136)

GPU Variant

Hemlock PRO

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

2.154 billion

237 mm²

Die Size

334 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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