AMD Radeon 550X vs ATI Radeon HD 3870 X2

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Released 11 years and 2 months late

Boost Clock1218MHz

Larger VRAM bandwidth (112.0GB/s vs 57.66GB/s)

192 additional rendering cores

Lower TDP (50W vs 165W)

Score

Benchmark

FP32 (float)

Radeon 550X +136%

1.247 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

Radeon 550X

VS

Radeon HD 3870 X2

Graphics Card

Mar 2019

Release Date

Jan 2008

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1750 MHz

Memory Clock

901 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

57.66GB/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

19.49 GPixel/s

Pixel Rate

13.20 GPixel/s

38.98 GTexel/s

Texture Rate

13.20 GTexel/s

1247 GFLOPS

FP16 (half)

-

1247 GFLOPS

FP32 (float)

528.0 GFLOPS

77.95 GFLOPS

FP64 (double)

105.6 GFLOPS

Graphics Processor

Lexa

GPU Name

R680

Lexa PRO (215-0904018)

GPU Variant

R680 XT (215-0708017)

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

165W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 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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