AMD Radeon R9 390X vs Intel Arc A770

VS

AMD Radeon R9 390X

Intel Arc A770

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 16GB VRAM Arc A770 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)

Radeon R9 390X

5.914 TFLOPS

Arc A770 +232%

19.66 TFLOPS

3DMark Time Spy

Radeon R9 390X

4245

Arc A770 +221%

13664

Radeon R9 390X

VS

Arc A770

Graphics Card

Jun 2015

Release Date

Oct 2022

Pirate Islands

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2100 MHz

-

Boost Clock

2400 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

512.0GB/s

Render Config

44

Compute Units

-

2816

Shading Units

4096

176

TMUs

256

64

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

16 MB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

307.2 GPixel/s

184.8 GTexel/s

Texture Rate

614.4 GTexel/s

-

FP16 (half)

39.32 TFLOPS

5.914 TFLOPS

FP32 (float)

19.66 TFLOPS

739.2 GFLOPS

FP64 (double)

2.458 TFLOPS

Board Design

275W

TDP

225W

600 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.13x DisplayPort 2.0

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Grenada

GPU Name

DG2-512

Grenada XT (215-0880004)

GPU Variant

ACM-G10

GCN 2.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

6.2 billion

Transistors

21.7 billion

438 mm²

Die Size

406 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

6.3

Shader Model

6.6

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