AMD Radeon R9 Nano vs AMD Radeon HD 6490

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 Nano 's Advantages

Released 4 years and 1 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (512.0GB/s vs 16.00GB/s)

3776 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 175W)

Score

Benchmark

FP32 (float)

Radeon R9 Nano +2227%

8.192 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon R9 Nano

VS

Radeon HD 6490

Graphics Card

Aug 2015

Release Date

Jul 2011

Pirate Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

500 MHz

Memory

4GB

Memory Size

1024MB

HBM

Memory Type

DDR2

4096bit

Memory Bus

128bit

512.0GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

64

Compute Units

4

4096

Shading Units

320

256

TMUs

16

64

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

4.400 GPixel/s

256.0 GTexel/s

Texture Rate

8.800 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

352.0 GFLOPS

512.0 GFLOPS

FP64 (double)

-

Graphics Processor

Fiji

GPU Name

Redwood

Fiji XT CA (215-0862120)

GPU Variant

Redwood LE

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8.9 billion

Transistors

0.627 billion

596 mm²

Die Size

104 mm²

Board Design

175W

TDP

39W

450 W

Suggested PSU

200 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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