NVIDIA GeForce GTX 660 Ti vs AMD Radeon R9 380X

VS

NVIDIA GeForce GTX 660 Ti

AMD Radeon R9 380X

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 4GB VRAM Radeon R9 380X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Boost Clock980MHz

Lower TDP (150W vs 190W)

AMD Radeon R9 380X 's Advantages

Released 3 years and 3 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (182.4GB/s vs 144.2GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti

2.634 TFLOPS

Radeon R9 380X +50%

3.973 TFLOPS

3DMark Time Spy

GeForce GTX 660 Ti

1627

Radeon R9 380X +87%

3050

GeForce GTX 660 Ti

VS

Radeon R9 380X

Graphics Card

Aug 2012

Release Date

Nov 2015

GeForce 600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

1425 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

182.4GB/s

Render Config

-

Compute Units

32

-

1344

Shading Units

2048

112

TMUs

128

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

31.04 GPixel/s

109.8 GTexel/s

Texture Rate

124.2 GTexel/s

-

FP16 (half)

3.973 TFLOPS

2.634 TFLOPS

FP32 (float)

3.973 TFLOPS

109.8 GFLOPS

FP64 (double)

248.3 GFLOPS

Board Design

150W

TDP

190W

450 W

Suggested PSU

450 W

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

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK104

GPU Name

Antigua

GK104-300-KD-A2

GPU Variant

Antigua XT (215-0877016)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

5 billion

294 mm²

Die Size

366 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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