AMD Radeon RX 580G vs ATI Radeon HD 3850 X3

VS

AMD Radeon RX 580G ATI Radeon HD 3850 X3

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 512MB VRAM Radeon HD 3850 X3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Boost Clock1330MHz

Larger VRAM bandwidth (256.0GB/s vs 54.40GB/s)

1984 additional rendering cores

ATI Radeon HD 3850 X3 's Advantages

Lower TDP (145W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +1332%

6.129 TFLOPS

Radeon HD 3850 X3

0.428 TFLOPS

Radeon RX 580G

VS

Radeon HD 3850 X3

Graphics Card

Oct 2018

Release Date

Unknown

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1330 MHz

Boost Clock

-

2000 MHz

Memory Clock

850 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

54.40GB/s

Render Config

-

SM Count

-

36

Compute Units

4

2304

Shading Units

320

144

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

256 KB

Theoretical Performance

42.56 GPixel/s

Pixel Rate

10.70 GPixel/s

191.5 GTexel/s

Texture Rate

10.70 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

428.2 GFLOPS

383.0 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 20

GPU Name

RV670

Polaris 20 XTX (215-0910038)

GPU Variant

RV670 PRO (215-0708003)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

5.7 billion

Transistors

0.666 billion

232 mm²

Die Size

192 mm²

Board Design

185W

TDP

145W

450 W

Suggested PSU

300 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

4x DVI

1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

4.1

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