Intel Arc A780 vs AMD Radeon R9 390

VS

Intel Arc A780 AMD Radeon R9 390

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A780 's Advantages

Boost Clock2200MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (559.6GB/s vs 384.0GB/s)

1536 additional rendering cores

Lower TDP (200W vs 275W)

Score

Benchmark

FP32 (float)

Arc A780 +251%

18.02 TFLOPS

Radeon R9 390

5.12 TFLOPS

Arc A780

VS

Radeon R9 390

Graphics Card

Unknown

Release Date

Jun 2015

Alchemist

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2200 MHz

Base Clock

-

2200 MHz

Boost Clock

-

1093 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

512bit

559.6GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

Compute Units

40

4096

Shading Units

2560

256

TMUs

160

128

ROPs

64

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

1024 KB

Theoretical Performance

281.6 GPixel/s

Pixel Rate

64.00 GPixel/s

563.2 GTexel/s

Texture Rate

160.0 GTexel/s

36.04 TFLOPS

FP16 (half)

-

18.02 TFLOPS

FP32 (float)

5.120 TFLOPS

-

FP64 (double)

640.0 GFLOPS

Graphics Processor

DG2-512

GPU Name

Grenada

ACM-G10

GPU Variant

Grenada PRO (215-0880030)

Generation 12.7

Architecture

GCN 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

6.2 billion

406 mm²

Die Size

438 mm²

Board Design

200W

TDP

275W

550 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 2.0

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

-

CUDA

-

6.6

Shader Model

6.3

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