Intel Arc A780 vs AMD Radeon HD 8490 OEM

VS

Intel Arc A780

AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 1024MB VRAM Radeon HD 8490 OEM 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 1024GB)

Larger VRAM bandwidth (559.6GB/s vs 14.40GB/s)

3936 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 200W)

Score

Benchmark

FP32 (float)

Arc A780 +6335%

18.02 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

Arc A780

VS

Radeon HD 8490 OEM

Graphics Card

Unknown

Release Date

Jul 2013

Alchemist(Arc 7)

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2200 MHz

Base Clock

-

2200 MHz

Boost Clock

-

1093 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6X

Memory Type

DDR3

256bit

Memory Bus

64bit

559.6GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

2

-

4096

Shading Units

160

256

TMUs

8

128

ROPs

4

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

8 KB (per CU)

16 MB

L2 Cache

128 KB

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

3.500 GPixel/s

563.2 GTexel/s

Texture Rate

7.000 GTexel/s

36.04 TFLOPS

FP16 (half)

-

18.02 TFLOPS

FP32 (float)

280.0 GFLOPS

2.253 TFLOPS

FP64 (double)

-

Board Design

200W

TDP

35W

550 W

Suggested PSU

200 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

1x DVI 1x DisplayPort 1.1

2x 8-pin

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

Caicos

ACM-G10

GPU Variant

Caicos XTX

Generation 12.7

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

21.7 billion

Transistors

0.37 billion

406 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

-

6.6

Shader Model

5.0

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