AMD Radeon RX 6650 XT vs AMD Radeon R9 380X

VS

AMD Radeon RX 6650 XT AMD Radeon R9 380X

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 4GB VRAM Radeon R9 380X 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 6 years and 6 months late

Boost Clock2635MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (280.3GB/s vs 182.4GB/s)

Lower TDP (176W vs 190W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +171%

10.79 TFLOPS

Radeon R9 380X

3.973 TFLOPS

3DMark Time Spy

Radeon RX 6650 XT +224%

9902

Radeon R9 380X

3050

Radeon RX 6650 XT

VS

Radeon R9 380X

Graphics Card

May 2022

Release Date

Nov 2015

Navi II

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

2055 MHz

Base Clock

-

2635 MHz

Boost Clock

-

2190 MHz

Memory Clock

1425 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

280.3GB/s

Bandwidth

182.4GB/s

Render Config

-

SM Count

-

32

Compute Units

32

2048

Shading Units

2048

128

TMUs

128

64

ROPs

32

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

168.6 GPixel/s

Pixel Rate

31.04 GPixel/s

337.3 GTexel/s

Texture Rate

124.2 GTexel/s

21.59 TFLOPS

FP16 (half)

3.973 TFLOPS

10.79 TFLOPS

FP32 (float)

3.973 TFLOPS

674.6 GFLOPS

FP64 (double)

248.3 GFLOPS

Graphics Processor

Navi 23

GPU Name

Antigua

Navi 23 KXT (215-130000136)

GPU Variant

Antigua XT (215-0877016)

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

5 billion

237 mm²

Die Size

366 mm²

Board Design

176W

TDP

190W

450 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.3

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