AMD Radeon RX 455 OEM vs Intel Arc A780

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 16GB VRAM Arc A780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Lower TDP (100W vs 200W)

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

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM

1.613 TFLOPS

Arc A780 +1017%

18.02 TFLOPS

Radeon RX 455 OEM

VS

Arc A780

Graphics Card

Jun 2016

Release Date

Unknown

Arctic Islands

Generation

Alchemist

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2200 MHz

-

Boost Clock

2200 MHz

1625 MHz

Memory Clock

1093 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

128bit

Memory Bus

256bit

104.0GB/s

Bandwidth

559.6GB/s

Render Config

-

SM Count

-

12

Compute Units

-

768

Shading Units

4096

48

TMUs

256

16

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 MB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

281.6 GPixel/s

50.40 GTexel/s

Texture Rate

563.2 GTexel/s

-

FP16 (half)

36.04 TFLOPS

1.613 TFLOPS

FP32 (float)

18.02 TFLOPS

100.8 GFLOPS

FP64 (double)

-

Graphics Processor

Tobago

GPU Name

DG2-512

Tobago PRO (215-0875010)

GPU Variant

ACM-G10

GCN 2.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.08 billion

Transistors

21.7 billion

160 mm²

Die Size

406 mm²

Board Design

100W

TDP

200W

300 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 2.0

1x 6-pin

Power Connectors

2x 8-pin

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

-

CUDA

-

6.3

Shader Model

6.6

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