AMD Radeon RX 6600 XT vs ATI Radeon HD 4650

VS

AMD Radeon RX 6600 XT ATI Radeon HD 4650

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 256MB VRAM Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 12 years and 10 months late

Boost Clock2589MHz

Larger VRAM bandwidth (256.0GB/s vs 22.40GB/s)

1728 additional rendering cores

ATI Radeon HD 4650 's Advantages

Lower TDP (48W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +2660%

10.6 TFLOPS

Radeon HD 4650

0.384 TFLOPS

Radeon RX 6600 XT

VS

Radeon HD 4650

Graphics Card

Jul 2021

Release Date

Sep 2008

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1968 MHz

Base Clock

-

2589 MHz

Boost Clock

-

2000 MHz

Memory Clock

700 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

-

32

Compute Units

4

2048

Shading Units

320

128

TMUs

32

64

ROPs

8

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

Theoretical Performance

165.7 GPixel/s

Pixel Rate

4.800 GPixel/s

331.4 GTexel/s

Texture Rate

19.20 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

384.0 GFLOPS

662.8 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 23

GPU Name

RV730

Navi 23 XT (215-130000006)

GPU Variant

RV730 PRO (215-0719056)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.514 billion

237 mm²

Die Size

146 mm²

Board Design

160W

TDP

48W

450 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

4.1

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