ATI Radeon HD 3870 Mac Edition vs AMD Radeon R9 Nano

VS

ATI Radeon HD 3870 Mac Edition

AMD Radeon R9 Nano

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 4GB VRAM Radeon R9 Nano 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 175W)

AMD Radeon R9 Nano 's Advantages

Released 7 years and 2 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 72.06GB/s)

3776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon R9 Nano +1548%

8.192 TFLOPS

Radeon HD 3870 Mac Edition

VS

Radeon R9 Nano

Graphics Card

Jun 2008

Release Date

Aug 2015

Radeon R600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

500 MHz

Memory

512MB

Memory Size

4GB

GDDR4

Memory Type

HBM

256bit

Memory Bus

4096bit

72.06GB/s

Bandwidth

512.0GB/s

Render Config

4

Compute Units

64

-

320

Shading Units

4096

16

TMUs

256

16

ROPs

64

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

64.00 GPixel/s

12.43 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

497.3 GFLOPS

FP32 (float)

8.192 TFLOPS

99.46 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

106W

TDP

175W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

RV670

GPU Name

Fiji

RV670 XT (215-0708005)

GPU Variant

Fiji XT CA (215-0862120)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

8.9 billion

192 mm²

Die Size

596 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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