AMD Radeon R9 390X vs Intel Arc B580

VS

AMD Radeon R9 390X

Intel Arc B580

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 12GB VRAM Arc B580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

256 additional rendering cores

Intel Arc B580 's Advantages

Released 9 years and 6 months late

Boost Clock2670MHz

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (456.0GB/s vs 384.0GB/s)

Lower TDP (190W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X

5.914 TFLOPS

Arc B580 +131%

13.67 TFLOPS

Radeon R9 390X

VS

Arc B580

Graphics Card

Jun 2015

Release Date

Dec 2024

Pirate Islands

Generation

Battlemage(Arc 5)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2670 MHz

-

Boost Clock

2670 MHz

1500 MHz

Memory Clock

2375 MHz

Memory

8GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

192bit

384.0GB/s

Bandwidth

456.0GB/s

Render Config

44

Compute Units

-

2816

Shading Units

2560

176

TMUs

160

64

ROPs

80

-

Tensor Cores

160

-

RT Cores

20

16 KB (per CU)

L1 Cache

256 KB (per EU)

1024 KB

L2 Cache

18 MB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

213.6 GPixel/s

184.8 GTexel/s

Texture Rate

427.2 GTexel/s

-

FP16 (half)

27.34 TFLOPS

5.914 TFLOPS

FP32 (float)

13.67 TFLOPS

739.2 GFLOPS

FP64 (double)

1.709 TFLOPS

Board Design

275W

TDP

190W

600 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Grenada

GPU Name

BMG-G21

Grenada XT (215-0880004)

GPU Variant

SRPMF

GCN 2.0

Architecture

Xe2

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

6.2 billion

Transistors

19.6 billion

438 mm²

Die Size

272 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.4

-

6.3

Shader Model

6.6

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