AMD Radeon R9 Nano vs AMD Radeon HD 8870 OEM

VS

AMD Radeon R9 Nano AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 Nano 's Advantages

Released 2 years and 7 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 Nano +220%

8.192 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon R9 Nano

VS

Radeon HD 8870 OEM

Graphics Card

Aug 2015

Release Date

Jan 2013

Pirate Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

64

Compute Units

20

4096

Shading Units

1280

256

TMUs

80

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

32.00 GPixel/s

256.0 GTexel/s

Texture Rate

80.00 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

2.560 TFLOPS

512.0 GFLOPS

FP64 (double)

160.0 GFLOPS

Graphics Processor

Fiji

GPU Name

Pitcairn

Fiji XT CA (215-0862120)

GPU Variant

Pitcairn XT (215-0828047)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8.9 billion

Transistors

2.8 billion

596 mm²

Die Size

212 mm²

Board Design

175W

TDP

175W

450 W

Suggested PSU

450 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

5.1

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