AMD Radeon RX 8800 XT vs AMD Radeon RX 580G

VS

AMD Radeon RX 8800 XT

AMD Radeon RX 580G

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 8800 XT and 8GB VRAM Radeon RX 580G 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 Clock has increased by 83% (2430MHz vs 1330MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (624.1GB/s vs 256.0GB/s)

1792 additional rendering cores

AMD Radeon RX 580G 's Advantages

Lower TDP (185W vs 220W)

Score

Benchmark

FP32 (float)

Radeon RX 8800 XT +224%

19.91 TFLOPS

Radeon RX 580G

6.129 TFLOPS

Radeon RX 8800 XT

VS

Radeon RX 580G

Graphics Card

Unknown

Release Date

Oct 2018

Navi IV(RX 8000)

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1295 MHz

Base Clock

1257 MHz

2430 MHz

Boost Clock

1330 MHz

2438 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

624.1GB/s

Bandwidth

256.0GB/s

Render Config

64

Compute Units

36

-

4096

Shading Units

2304

256

TMUs

144

96

ROPs

32

-

64

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

2 MB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

42.56 GPixel/s

622.1 GTexel/s

Texture Rate

191.5 GTexel/s

39.81 TFLOPS

FP16 (half)

6.129 TFLOPS

19.91 TFLOPS

FP32 (float)

6.129 TFLOPS

622.1 GFLOPS

FP64 (double)

383.0 GFLOPS

Board Design

220W

TDP

185W

550 W

Suggested PSU

450 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 48

GPU Name

Polaris 20

Navi 48 XT

GPU Variant

Polaris 20 XTX (215-0910038)

RDNA 4.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

Unknown

Transistors

5.7 billion

Unknown

Die Size

232 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

6.8

Shader Model

6.4

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