AMD Radeon R9 280X2 vs AMD Radeon R9 Nano

VS

AMD Radeon R9 280X2

AMD Radeon R9 Nano

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 and 4GB VRAM Radeon R9 Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X2 's Advantages

Boost Clock1000MHz

AMD Radeon R9 Nano 's Advantages

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 288.0GB/s)

2048 additional rendering cores

Lower TDP (175W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2

4.096 TFLOPS

Radeon R9 Nano +100%

8.192 TFLOPS

Radeon R9 280X2

VS

Radeon R9 Nano

Graphics Card

Unknown

Release Date

Aug 2015

Volcanic Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

500 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

HBM

384bit

Memory Bus

4096bit

288.0GB/s

Bandwidth

512.0GB/s

Render Config

32

Compute Units

64

-

2048

Shading Units

4096

128

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

64.00 GPixel/s

128.0 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

4.096 TFLOPS

FP32 (float)

8.192 TFLOPS

1024 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

375W

TDP

175W

750 W

Suggested PSU

450 W

6x mini-DisplayPort 1.2

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

3x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Tahiti

GPU Name

Fiji

Tahiti XTL (215-0821065)

GPU Variant

Fiji XT CA (215-0862120)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

8.9 billion

352 mm²

Die Size

596 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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