Intel Arc A780 vs AMD Radeon RX 455 OEM

VS

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 2GB VRAM Radeon RX 455 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 2GB)

Larger VRAM bandwidth (559.6GB/s vs 104.0GB/s)

3328 additional rendering cores

AMD Radeon RX 455 OEM 's Advantages

Lower TDP (100W vs 200W)

Score

Benchmark

FP32 (float)

Arc A780 +1017%

18.02 TFLOPS

Radeon RX 455 OEM

1.613 TFLOPS

Arc A780

VS

Radeon RX 455 OEM

Graphics Card

Unknown

Release Date

Jun 2016

Alchemist

Generation

Arctic 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

1625 MHz

Memory

16GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

128bit

559.6GB/s

Bandwidth

104.0GB/s

Render Config

-

SM Count

-

Compute Units

12

4096

Shading Units

768

256

TMUs

48

128

ROPs

16

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

256 KB

Theoretical Performance

281.6 GPixel/s

Pixel Rate

16.80 GPixel/s

563.2 GTexel/s

Texture Rate

50.40 GTexel/s

36.04 TFLOPS

FP16 (half)

-

18.02 TFLOPS

FP32 (float)

1.613 TFLOPS

-

FP64 (double)

100.8 GFLOPS

Graphics Processor

DG2-512

GPU Name

Tobago

ACM-G10

GPU Variant

Tobago PRO (215-0875010)

Generation 12.7

Architecture

GCN 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

21.7 billion

Transistors

2.08 billion

406 mm²

Die Size

160 mm²

Board Design

200W

TDP

100W

550 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 2.0

Outputs

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

2x 8-pin

Power Connectors

1x 6-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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