AMD Radeon RX 6650 XT vs ATI Radeon HD 2950 XTX

VS

AMD Radeon RX 6650 XT ATI Radeon HD 2950 XTX

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 512MB VRAM Radeon HD 2950 XTX 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

Larger VRAM bandwidth (280.3GB/s vs 72.06GB/s)

1728 additional rendering cores

ATI Radeon HD 2950 XTX 's Advantages

Lower TDP (110W vs 176W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +2071%

10.79 TFLOPS

Radeon HD 2950 XTX

0.497 TFLOPS

Radeon RX 6650 XT

VS

Radeon HD 2950 XTX

Graphics Card

May 2022

Release Date

Unknown

Navi II

Generation

Radeon R600

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

1126 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR4

128bit

Memory Bus

256bit

280.3GB/s

Bandwidth

72.06GB/s

Render Config

-

SM Count

-

32

Compute Units

4

2048

Shading Units

320

128

TMUs

16

64

ROPs

16

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

256 KB

Theoretical Performance

168.6 GPixel/s

Pixel Rate

12.43 GPixel/s

337.3 GTexel/s

Texture Rate

12.43 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

497.3 GFLOPS

674.6 GFLOPS

FP64 (double)

99.46 GFLOPS

Graphics Processor

Navi 23

GPU Name

RV670

Navi 23 KXT (215-130000136)

GPU Variant

RV670 XTX (215-0708004)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.666 billion

237 mm²

Die Size

192 mm²

Board Design

176W

TDP

110W

450 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

4.1

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