Intel Arc A770 vs AMD Radeon R9 390X

VS

Intel Arc A770 AMD Radeon R9 390X

We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770 's Advantages

Released 7 years and 4 months late

Boost Clock2400MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 384.0GB/s)

1280 additional rendering cores

Lower TDP (225W vs 275W)

Score

Benchmark

FP32 (float)

Arc A770 +232%

19.66 TFLOPS

Radeon R9 390X

5.914 TFLOPS

3DMark Time Spy

Arc A770 +221%

13660

Radeon R9 390X

4245

Arc A770

VS

Radeon R9 390X

Graphics Card

Oct 2022

Release Date

Jun 2015

Alchemist

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2100 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

512bit

512.0GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

Compute Units

44

4096

Shading Units

2816

256

TMUs

176

128

ROPs

64

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

1024 KB

Theoretical Performance

307.2 GPixel/s

Pixel Rate

67.20 GPixel/s

614.4 GTexel/s

Texture Rate

184.8 GTexel/s

39.32 TFLOPS

FP16 (half)

-

19.66 TFLOPS

FP32 (float)

5.914 TFLOPS

-

FP64 (double)

739.2 GFLOPS

Graphics Processor

DG2-512

GPU Name

Grenada

ACM-G10

GPU Variant

Grenada XT (215-0880004)

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

225W

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

1x 6-pin + 1x 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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