AMD Radeon R9 Nano vs AMD Radeon HD 8490 OEM

VS

AMD Radeon R9 Nano

AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 1024MB VRAM Radeon HD 8490 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 1 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 14.40GB/s)

3936 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 175W)

Score

Benchmark

FP32 (float)

Radeon R9 Nano +2825%

8.192 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon R9 Nano

VS

Radeon HD 8490 OEM

Graphics Card

Aug 2015

Release Date

Jul 2013

Pirate Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

HBM

Memory Type

DDR3

4096bit

Memory Bus

64bit

512.0GB/s

Bandwidth

14.40GB/s

Render Config

64

Compute Units

2

-

4096

Shading Units

160

256

TMUs

8

64

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

3.500 GPixel/s

256.0 GTexel/s

Texture Rate

7.000 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

280.0 GFLOPS

512.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

35W

450 W

Suggested PSU

200 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

1x DVI 1x DisplayPort 1.1

1x 8-pin

Power Connectors

None

Graphics Processor

Fiji

GPU Name

Caicos

Fiji XT CA (215-0862120)

GPU Variant

Caicos XTX

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8.9 billion

Transistors

0.37 billion

596 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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