Intel Arc A770 vs ATI Radeon HD 3850 AGP

VS

Intel Arc A770

ATI Radeon HD 3850 AGP

We compared two Desktop platform GPUs: 16GB VRAM Arc A770 and 512MB VRAM Radeon HD 3850 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770 's Advantages

Released 14 years and 9 months late

Boost Clock2400MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 52.99GB/s)

3776 additional rendering cores

ATI Radeon HD 3850 AGP 's Advantages

Lower TDP (75W vs 225W)

Score

Benchmark

FP32 (float)

Arc A770 +4493%

19.66 TFLOPS

Radeon HD 3850 AGP

0.428 TFLOPS

Arc A770

VS

Radeon HD 3850 AGP

Graphics Card

Oct 2022

Release Date

Jan 2008

Alchemist(Arc 7)

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

2100 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

828 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

52.99GB/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

307.2 GPixel/s

Pixel Rate

10.69 GPixel/s

614.4 GTexel/s

Texture Rate

10.69 GTexel/s

39.32 TFLOPS

FP16 (half)

-

19.66 TFLOPS

FP32 (float)

427.5 GFLOPS

2.458 TFLOPS

FP64 (double)

85.50 GFLOPS

Board Design

225W

TDP

75W

550 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

DG2-512

GPU Name

RV670

ACM-G10

GPU Variant

RV670 PRO (215-0708003)

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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