AMD Radeon R9 380 OEM vs NVIDIA GeForce GTX 660

VS

AMD Radeon R9 380 OEM NVIDIA GeForce GTX 660

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

Main Differences

AMD Radeon R9 380 OEM 's Advantages

Released 2 years and 8 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (176.0GB/s vs 144.2GB/s)

832 additional rendering cores

NVIDIA GeForce GTX 660 's Advantages

Boost Clock1032MHz

Lower TDP (140W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380 OEM +66%

3.29 TFLOPS

GeForce GTX 660

1.981 TFLOPS

Radeon R9 380 OEM

VS

GeForce GTX 660

Graphics Card

May 2015

Release Date

Sep 2012

Pirate Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1375 MHz

Memory Clock

1502 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

176.0GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

960

112

TMUs

80

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

20.64 GPixel/s

102.8 GTexel/s

Texture Rate

82.56 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

1.981 TFLOPS

205.6 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

Antigua

GPU Name

GK106

Antigua PRO (215-0877000)

GPU Variant

GK106-400-A1

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

2.54 billion

366 mm²

Die Size

221 mm²

Board Design

190W

TDP

140W

450 W

Suggested PSU

300 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

1x 6-pin

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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