AMD Radeon RX 7800 XT vs ATI Radeon HD 3650

VS

AMD Radeon RX 7800 XT

ATI Radeon HD 3650

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 256MB VRAM Radeon HD 3650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 15 years and 7 months late

Boost Clock2430MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (624.1GB/s vs 25.60GB/s)

3720 additional rendering cores

ATI Radeon HD 3650 's Advantages

Lower TDP (65W vs 263W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT +21348%

37.32 TFLOPS

Radeon HD 3650

0.174 TFLOPS

Radeon RX 7800 XT

VS

Radeon HD 3650

Graphics Card

Aug 2023

Release Date

Jan 2008

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

624.1GB/s

Bandwidth

25.60GB/s

Render Config

60

Compute Units

3

-

3840

Shading Units

120

240

TMUs

8

96

ROPs

4

-

60

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

2.900 GPixel/s

583.2 GTexel/s

Texture Rate

5.800 GTexel/s

74.65 TFLOPS

FP16 (half)

-

37.32 TFLOPS

FP32 (float)

174.0 GFLOPS

1166 GFLOPS

FP64 (double)

-

Board Design

263W

TDP

65W

600 W

Suggested PSU

250 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

RV635

Navi 32 XT (215-180000006)

GPU Variant

RV635 PRO (215-0682008)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

28.1 billion

Transistors

0.378 billion

346 mm²

Die Size

135 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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