AMD Radeon RX 480 vs ATI Radeon HD 3870

VS

AMD Radeon RX 480

ATI Radeon HD 3870

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 480 and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 480 's Advantages

Released 8 years and 7 months late

Boost Clock1266MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 72.06GB/s)

1984 additional rendering cores

ATI Radeon HD 3870 's Advantages

Lower TDP (106W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 480 +1073%

5.834 TFLOPS

Radeon HD 3870

0.497 TFLOPS

Radeon RX 480

VS

Radeon HD 3870

Graphics Card

Jun 2016

Release Date

Nov 2007

Arctic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1120 MHz

Base Clock

-

1266 MHz

Boost Clock

-

2000 MHz

Memory Clock

1126 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

256.0GB/s

Bandwidth

72.06GB/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

40.51 GPixel/s

Pixel Rate

12.43 GPixel/s

182.3 GTexel/s

Texture Rate

12.43 GTexel/s

5.834 TFLOPS

FP16 (half)

-

5.834 TFLOPS

FP32 (float)

497.3 GFLOPS

364.6 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

150W

TDP

106W

450 W

Suggested PSU

300 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Ellesmere

GPU Name

RV670

Polaris 10 XT (215-0876184)

GPU Variant

RV670 XT (215-0708005)

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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