Intel Arc A780 vs ATI Radeon HD 3870 AGP

VS

Intel Arc A780

ATI Radeon HD 3870 AGP

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 512MB VRAM Radeon HD 3870 AGP 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 512GB)

Larger VRAM bandwidth (559.6GB/s vs 72.06GB/s)

3776 additional rendering cores

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 200W)

Score

Benchmark

FP32 (float)

Arc A780 +3525%

18.02 TFLOPS

Radeon HD 3870 AGP

0.497 TFLOPS

Arc A780

VS

Radeon HD 3870 AGP

Graphics Card

Unknown

Release Date

Unknown

Alchemist(Arc 7)

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

2200 MHz

Base Clock

-

2200 MHz

Boost Clock

-

1093 MHz

Memory Clock

1126 MHz

Memory

16GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR4

256bit

Memory Bus

256bit

559.6GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

-

4096

Shading Units

320

256

TMUs

16

128

ROPs

16

512

Tensor Cores

-

32

RT Cores

-

16 MB

L2 Cache

256 KB

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

12.43 GPixel/s

563.2 GTexel/s

Texture Rate

12.43 GTexel/s

36.04 TFLOPS

FP16 (half)

-

18.02 TFLOPS

FP32 (float)

497.3 GFLOPS

2.253 TFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

200W

TDP

106W

550 W

Suggested PSU

300 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

DG2-512

GPU Name

RV670

ACM-G10

GPU Variant

RV670 XT (215-0708005)

Generation 12.7

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

21.7 billion

Transistors

0.666 billion

406 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

-

6.6

Shader Model

4.1

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