NVIDIA GeForce GTX 660 vs AMD Radeon R9 380

VS

NVIDIA GeForce GTX 660

AMD Radeon R9 380

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

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Boost Clock1032MHz

Lower TDP (140W vs 190W)

AMD Radeon R9 380 's Advantages

Released 2 years and 9 months late

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

832 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660

1.981 TFLOPS

Radeon R9 380 +75%

3.476 TFLOPS

3DMark Time Spy

GeForce GTX 660

1308

Radeon R9 380 +113%

2794

GeForce GTX 660

VS

Radeon R9 380

Graphics Card

Sep 2012

Release Date

Jun 2015

GeForce 600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

28

-

960

Shading Units

1792

80

TMUs

112

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

31.04 GPixel/s

82.56 GTexel/s

Texture Rate

108.6 GTexel/s

-

FP16 (half)

3.476 TFLOPS

1.981 TFLOPS

FP32 (float)

3.476 TFLOPS

82.56 GFLOPS

FP64 (double)

217.3 GFLOPS

Board Design

140W

TDP

190W

300 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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK106

GPU Name

Antigua

GK106-400-A1

GPU Variant

Antigua PRO (215-0877000)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

5 billion

221 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

Related GPU Comparisons

1

NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 570

2

NVIDIA GeForce GTX 660 vs NVIDIA GeForce GT 230 OEM

3

NVIDIA GeForce GTX 660 vs NVIDIA GeForce RTX 4080 SUPER

4

NVIDIA GeForce GTX 660 vs ATI FireMV 2400 PCI

5

NVIDIA GeForce GTX 660 vs AMD Radeon HD 7350 OEM

6

NVIDIA GeForce GTX 660 vs ATI Radeon HD 3410

7

NVIDIA GeForce GTX 660 vs NVIDIA GeForce 9800 GX2

8

NVIDIA GeForce GTX 660 vs NVIDIA RTX 5880 Ada Generation

9

NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 490

10

NVIDIA GeForce GTX 660 vs AMD Radeon HD 6970 X2

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption