AMD Radeon RX 550 vs ATI Radeon HD 3850 X3

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 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 550 's Advantages

Boost Clock1183MHz

Larger VRAM bandwidth (112.0GB/s vs 54.40GB/s)

192 additional rendering cores

Lower TDP (50W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 550 +182%

1.211 TFLOPS

Radeon HD 3850 X3

0.428 TFLOPS

Radeon RX 550

VS

Radeon HD 3850 X3

Graphics Card

Apr 2017

Release Date

Unknown

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1750 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

54.40GB/s

Render Config

-

SM Count

-

8

Compute Units

4

512

Shading Units

320

32

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

18.93 GPixel/s

Pixel Rate

10.70 GPixel/s

37.86 GTexel/s

Texture Rate

10.70 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

428.2 GFLOPS

75.71 GFLOPS

FP64 (double)

-

Graphics Processor

Lexa

GPU Name

RV670

Lexa PRO (215-0904018)

GPU Variant

RV670 PRO (215-0708003)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.666 billion

103 mm²

Die Size

192 mm²

Board Design

50W

TDP

145W

250 W

Suggested PSU

300 W

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

Outputs

4x DVI

None

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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