ATI Radeon HD 3850 X3 vs AMD Radeon RX 580 2048SP

VS

ATI Radeon HD 3850 X3

AMD Radeon RX 580 2048SP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 4GB VRAM Radeon RX 580 2048SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 X3 's Advantages

Lower TDP (145W vs 150W)

AMD Radeon RX 580 2048SP 's Advantages

Boost Clock1284MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 54.40GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

Radeon RX 580 2048SP +1128%

5.259 TFLOPS

Radeon HD 3850 X3

VS

Radeon RX 580 2048SP

Graphics Card

Unknown

Release Date

Oct 2018

Radeon R600

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1168 MHz

-

Boost Clock

1284 MHz

850 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

224.0GB/s

Render Config

4

Compute Units

32

-

320

Shading Units

2048

16

TMUs

128

16

ROPs

32

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

10.70 GPixel/s

Pixel Rate

41.09 GPixel/s

10.70 GTexel/s

Texture Rate

164.4 GTexel/s

-

FP16 (half)

5.259 TFLOPS

428.2 GFLOPS

FP32 (float)

5.259 TFLOPS

-

FP64 (double)

328.7 GFLOPS

Board Design

145W

TDP

150W

300 W

Suggested PSU

450 W

4x DVI

Outputs

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

RV670

GPU Name

Polaris 20

RV670 PRO (215-0708003)

GPU Variant

Polaris 20 XL (215-0910052)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

5.7 billion

192 mm²

Die Size

232 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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