AMD Radeon RX 6650 XT vs ATI Radeon HD 4850 X2

VS

AMD Radeon RX 6650 XT

ATI Radeon HD 4850 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 512MB VRAM Radeon HD 4850 X2 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 13 years and 6 months late

Boost Clock2635MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (280.3GB/s vs 63.68GB/s)

1248 additional rendering cores

Lower TDP (176W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +979%

10.79 TFLOPS

Radeon HD 4850 X2

1 TFLOPS

Radeon RX 6650 XT

VS

Radeon HD 4850 X2

Graphics Card

May 2022

Release Date

Nov 2008

Navi II

Generation

Radeon R700

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

995 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

256bit

280.3GB/s

Bandwidth

63.68GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

800

128

TMUs

40

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

168.6 GPixel/s

Pixel Rate

10.00 GPixel/s

337.3 GTexel/s

Texture Rate

25.00 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

1000 GFLOPS

674.6 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

176W

TDP

250W

450 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

4x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 23

GPU Name

R700

Navi 23 KXT (215-130000136)

GPU Variant

R700 PRO (215-0669065)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.956 billion

237 mm²

Die Size

256 mm²

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

-

6.5

Shader Model

4.1

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