AMD Radeon RX 8800 XT vs AMD Radeon R9 380X

VS

AMD Radeon RX 8800 XT

AMD Radeon R9 380X

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 8800 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 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (624.1GB/s vs 182.4GB/s)

2048 additional rendering cores

AMD Radeon R9 380X 's Advantages

Lower TDP (190W vs 220W)

Score

Benchmark

FP32 (float)

Radeon RX 8800 XT +401%

19.91 TFLOPS

Radeon R9 380X

3.973 TFLOPS

Radeon RX 8800 XT

VS

Radeon R9 380X

Graphics Card

Unknown

Release Date

Nov 2015

Navi IV(RX 8000)

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

1425 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

624.1GB/s

Bandwidth

182.4GB/s

Render Config

64

Compute Units

32

-

4096

Shading Units

2048

256

TMUs

128

96

ROPs

32

-

64

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

31.04 GPixel/s

622.1 GTexel/s

Texture Rate

124.2 GTexel/s

39.81 TFLOPS

FP16 (half)

3.973 TFLOPS

19.91 TFLOPS

FP32 (float)

3.973 TFLOPS

622.1 GFLOPS

FP64 (double)

248.3 GFLOPS

Board Design

220W

TDP

190W

550 W

Suggested PSU

450 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 48

GPU Name

Antigua

Navi 48 XT

GPU Variant

Antigua XT (215-0877016)

RDNA 4.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

5 billion

Unknown

Die Size

366 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

6.8

Shader Model

6.3

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