AMD Radeon RX 6650 XT vs AMD Radeon HD 6450 OEM

VS

AMD Radeon RX 6650 XT AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Released 11 years and 3 months late

Boost Clock2635MHz

Larger VRAM bandwidth (280.3GB/s vs 8.528GB/s)

1888 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 176W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +5295%

10.79 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon RX 6650 XT

VS

Radeon HD 6450 OEM

Graphics Card

May 2022

Release Date

Feb 2011

Navi II

Generation

Northern Islands

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

533 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

64bit

280.3GB/s

Bandwidth

8.528GB/s

Render Config

-

SM Count

-

32

Compute Units

2

2048

Shading Units

160

128

TMUs

8

64

ROPs

4

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

Theoretical Performance

168.6 GPixel/s

Pixel Rate

2.500 GPixel/s

337.3 GTexel/s

Texture Rate

5.000 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

200.0 GFLOPS

674.6 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 23

GPU Name

Caicos

Navi 23 KXT (215-130000136)

GPU Variant

Junbonator

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.37 billion

237 mm²

Die Size

67 mm²

Board Design

176W

TDP

18W

450 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

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

-

CUDA

-

6.5

Shader Model

5.0

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