AMD Radeon RX 580 vs ATI Radeon HD 3870 X2

VS

AMD Radeon RX 580

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 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 RX 580 's Advantages

Released 9 years and 3 months late

Boost Clock1340MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 57.66GB/s)

1984 additional rendering cores

ATI Radeon HD 3870 X2 's Advantages

Lower TDP (165W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580 +1069%

6.175 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

Radeon RX 580

VS

Radeon HD 3870 X2

Graphics Card

Apr 2017

Release Date

Jan 2008

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1257 MHz

Base Clock

-

1340 MHz

Boost Clock

-

2000 MHz

Memory Clock

901 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

57.66GB/s

Render Config

36

Compute Units

4

-

2304

Shading Units

320

144

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

256 KB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

13.20 GPixel/s

193.0 GTexel/s

Texture Rate

13.20 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

528.0 GFLOPS

385.9 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

185W

TDP

165W

450 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Polaris 20

GPU Name

R680

Polaris 20 XTX (215-0910038)

GPU Variant

R680 XT (215-0708017)

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

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

-

6.4

Shader Model

4.1

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