AMD Radeon RX 460 vs ATI Radeon HD 3870 X2

VS

AMD Radeon RX 460

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 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 460 's Advantages

Released 8 years and 7 months late

Boost Clock1200MHz

More VRAM (2GB vs 512GB)

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

576 additional rendering cores

Lower TDP (75W vs 165W)

Score

Benchmark

FP32 (float)

Radeon RX 460 +307%

2.15 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

Radeon RX 460

VS

Radeon HD 3870 X2

Graphics Card

Aug 2016

Release Date

Jan 2008

Arctic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1090 MHz

Base Clock

-

1200 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

14

Compute Units

4

-

896

Shading Units

320

56

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

19.20 GPixel/s

Pixel Rate

13.20 GPixel/s

67.20 GTexel/s

Texture Rate

13.20 GTexel/s

2.150 TFLOPS

FP16 (half)

-

2.150 TFLOPS

FP32 (float)

528.0 GFLOPS

134.4 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

75W

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 Processor

Baffin

GPU Name

R680

Baffin PRO

GPU Variant

R680 XT (215-0708017)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

3 billion

Transistors

0.666 billion

123 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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