AMD Radeon R9 390X vs NVIDIA GeForce GTX 1660

VS

AMD Radeon R9 390X

NVIDIA GeForce GTX 1660

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 6GB VRAM GeForce GTX 1660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

More VRAM (8GB vs 6GB)

Larger VRAM bandwidth (384.0GB/s vs 192.1GB/s)

1408 additional rendering cores

NVIDIA GeForce GTX 1660 's Advantages

Released 3 years and 9 months late

Boost Clock1785MHz

Lower TDP (120W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390X +17%

5.914 TFLOPS

GeForce GTX 1660

5.027 TFLOPS

3DMark Time Spy

Radeon R9 390X

4245

GeForce GTX 1660 +27%

5415

Radeon R9 390X

VS

GeForce GTX 1660

Graphics Card

Jun 2015

Release Date

Mar 2019

Pirate Islands

Generation

GeForce 16

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1530 MHz

-

Boost Clock

1785 MHz

1500 MHz

Memory Clock

2001 MHz

Memory

8GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

192bit

384.0GB/s

Bandwidth

192.1GB/s

Render Config

44

Compute Units

-

SM Count

22

2816

Shading Units

1408

176

TMUs

88

64

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

1536 KB

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

85.68 GPixel/s

184.8 GTexel/s

Texture Rate

157.1 GTexel/s

-

FP16 (half)

10.05 TFLOPS

5.914 TFLOPS

FP32 (float)

5.027 TFLOPS

739.2 GFLOPS

FP64 (double)

157.1 GFLOPS

Board Design

275W

TDP

120W

600 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Grenada

GPU Name

TU116

Grenada XT (215-0880004)

GPU Variant

TU116-300-A1

GCN 2.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

6.2 billion

Transistors

6.6 billion

438 mm²

Die Size

284 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

6.3

Shader Model

6.6

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