AMD Radeon R9 Nano vs NVIDIA GeForce GTX 680

VS

AMD Radeon R9 Nano

NVIDIA GeForce GTX 680

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 2GB VRAM GeForce GTX 680 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 Nano 's Advantages

Released 3 years and 5 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 192.3GB/s)

2560 additional rendering cores

Lower TDP (175W vs 195W)

NVIDIA GeForce GTX 680 's Advantages

Boost Clock1058MHz

Score

Benchmark

FP32 (float)

Radeon R9 Nano +152%

8.192 TFLOPS

GeForce GTX 680

3.25 TFLOPS

3DMark Time Spy

Radeon R9 Nano +130%

4607

GeForce GTX 680

1999

Radeon R9 Nano

VS

GeForce GTX 680

Graphics Card

Aug 2015

Release Date

Mar 2012

Pirate Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1058 MHz

500 MHz

Memory Clock

1502 MHz

Memory

4GB

Memory Size

2GB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

192.3GB/s

Render Config

64

Compute Units

-

4096

Shading Units

1536

256

TMUs

128

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

33.86 GPixel/s

256.0 GTexel/s

Texture Rate

135.4 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

3.250 TFLOPS

512.0 GFLOPS

FP64 (double)

135.4 GFLOPS

Board Design

175W

TDP

195W

450 W

Suggested PSU

450 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Fiji

GPU Name

GK104

Fiji XT CA (215-0862120)

GPU Variant

GK104-400-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8.9 billion

Transistors

3.54 billion

596 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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