AMD Radeon RX 6500 XT vs ATI Radeon HD 3850 X3

VS

AMD Radeon RX 6500 XT

ATI Radeon HD 3850 X3

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6500 XT and 512MB VRAM Radeon HD 3850 X3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6500 XT 's Advantages

Boost Clock2815MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (143.9GB/s vs 54.40GB/s)

704 additional rendering cores

Lower TDP (107W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6500 XT +1246%

5.765 TFLOPS

Radeon HD 3850 X3

0.428 TFLOPS

Radeon RX 6500 XT

VS

Radeon HD 3850 X3

Graphics Card

Jan 2022

Release Date

Unknown

Navi II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2310 MHz

Base Clock

-

2815 MHz

Boost Clock

-

2248 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

256bit

143.9GB/s

Bandwidth

54.40GB/s

Render Config

16

Compute Units

4

-

1024

Shading Units

320

64

TMUs

16

32

ROPs

16

-

16

RT Cores

-

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

90.08 GPixel/s

Pixel Rate

10.70 GPixel/s

180.2 GTexel/s

Texture Rate

10.70 GTexel/s

11.53 TFLOPS

FP16 (half)

-

5.765 TFLOPS

FP32 (float)

428.2 GFLOPS

360.3 GFLOPS

FP64 (double)

-

Board Design

107W

TDP

145W

300 W

Suggested PSU

300 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

4x DVI

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 24

GPU Name

RV670

Navi 24 XT (215-135000006)

GPU Variant

RV670 PRO (215-0708003)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.666 billion

107 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.6

Shader Model

4.1

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