AMD Radeon HD 8870 OEM vs Intel Arc A780

VS

AMD Radeon HD 8870 OEM

Intel Arc A780

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 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 HD 8870 OEM 's Advantages

Lower TDP (175W vs 200W)

Intel Arc A780 's Advantages

Boost Clock2200MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (559.6GB/s vs 153.6GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

Arc A780 +603%

18.02 TFLOPS

Radeon HD 8870 OEM

VS

Arc A780

Graphics Card

Jan 2013

Release Date

Unknown

Sea Islands

Generation

Alchemist(Arc 7)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2200 MHz

-

Boost Clock

2200 MHz

1200 MHz

Memory Clock

1093 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

559.6GB/s

Render Config

20

Compute Units

-

1280

Shading Units

4096

80

TMUs

256

32

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

281.6 GPixel/s

80.00 GTexel/s

Texture Rate

563.2 GTexel/s

-

FP16 (half)

36.04 TFLOPS

2.560 TFLOPS

FP32 (float)

18.02 TFLOPS

160.0 GFLOPS

FP64 (double)

2.253 TFLOPS

Board Design

175W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.13x DisplayPort 2.0

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

DG2-512

Pitcairn XT (215-0828047)

GPU Variant

ACM-G10

GCN 1.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.8 billion

Transistors

21.7 billion

212 mm²

Die Size

406 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

5.1

Shader Model

6.6

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