ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 1080

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GTX 1080

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 8GB VRAM GeForce GTX 1080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 180W)

NVIDIA GeForce GTX 1080 's Advantages

Released 7 years and 11 months late

Boost Clock1733MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (320.3GB/s vs 72.06GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce GTX 1080 +1685%

8.873 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GTX 1080

Graphics Card

Jun 2008

Release Date

May 2016

Radeon R600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1607 MHz

-

Boost Clock

1733 MHz

1126 MHz

Memory Clock

1251 MHz

Memory

512MB

Memory Size

8GB

GDDR4

Memory Type

GDDR5X

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

320.3GB/s

Render Config

4

Compute Units

-

SM Count

20

320

Shading Units

2560

16

TMUs

160

16

ROPs

64

-

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

110.9 GPixel/s

12.43 GTexel/s

Texture Rate

277.3 GTexel/s

-

FP16 (half)

138.6 GFLOPS

497.3 GFLOPS

FP32 (float)

8.873 TFLOPS

99.46 GFLOPS

FP64 (double)

277.3 GFLOPS

Board Design

106W

TDP

180W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

RV670

GPU Name

GP104

RV670 XT (215-0708005)

GPU Variant

GP104-400-A1

TeraScale

Architecture

Pascal

TSMC

Foundry

TSMC

55 nm

Process Size

16 nm

0.666 billion

Transistors

7.2 billion

192 mm²

Die Size

314 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

6.1

4.1

Shader Model

6.4

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