AMD Radeon R9 Nano vs NVIDIA GeForce GTX 490

VS

AMD Radeon R9 Nano

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 Nano 's Advantages

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (512.0GB/s vs 164.0GB/s)

3616 additional rendering cores

Lower TDP (175W vs 365W)

Score

Benchmark

FP32 (float)

Radeon R9 Nano +602%

8.192 TFLOPS

GeForce GTX 490

1.166 TFLOPS

Radeon R9 Nano

VS

GeForce GTX 490

Graphics Card

Aug 2015

Release Date

Unknown

Pirate Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

854 MHz

Memory

4GB

Memory Size

1536MB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

384bit

512.0GB/s

Bandwidth

164.0GB/s

Render Config

64

Compute Units

-

SM Count

15

4096

Shading Units

480

256

TMUs

60

64

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

18.24 GPixel/s

256.0 GTexel/s

Texture Rate

36.48 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

1166 GFLOPS

512.0 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

175W

TDP

365W

450 W

Suggested PSU

750 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

3x DVI 1x mini-DisplayPort

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Fiji

GPU Name

GF100

Fiji XT CA (215-0862120)

GPU Variant

GF100-375-A3

GCN 3.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8.9 billion

Transistors

3.1 billion

596 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

6.3

Shader Model

5.1

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