AMD Radeon RX 6600 LE vs AMD Radeon R9 380

VS

AMD Radeon RX 6600 LE

AMD Radeon R9 380

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 2GB VRAM Radeon R9 380 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 LE 's Advantages

Released 8 years and 6 months late

Boost Clock2495MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 176.0GB/s)

Lower TDP (132W vs 190W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 LE +157%

8.942 TFLOPS

Radeon R9 380

3.476 TFLOPS

Radeon RX 6600 LE

VS

Radeon R9 380

Graphics Card

Dec 2023

Release Date

Jun 2015

Navi II

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1626 MHz

Base Clock

-

2495 MHz

Boost Clock

-

1750 MHz

Memory Clock

1375 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

176.0GB/s

Render Config

28

Compute Units

28

-

1792

Shading Units

1792

112

TMUs

112

64

ROPs

32

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

32 MB

L3 Cache

-

Theoretical Performance

159.7 GPixel/s

Pixel Rate

31.04 GPixel/s

279.4 GTexel/s

Texture Rate

108.6 GTexel/s

17.88 TFLOPS

FP16 (half)

3.476 TFLOPS

8.942 TFLOPS

FP32 (float)

3.476 TFLOPS

558.9 GFLOPS

FP64 (double)

217.3 GFLOPS

Board Design

132W

TDP

190W

300 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 Processor

Navi 23

GPU Name

Antigua

Navi 23 XL (215-130000016)

GPU Variant

Antigua PRO (215-0877000)

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

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

-

6.7

Shader Model

6.3

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