NVIDIA GeForce GTX 1660 vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce GTX 1660

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 's Advantages

Released 11 months late

Boost Clock has increased by 67% (1785MHz vs 1071MHz)

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (192.1GB/s vs 48.00GB/s)

768 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

GeForce GTX 1660 +266%

5.027 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

GeForce GTX 1660

VS

Radeon 550X 640SP

Graphics Card

Mar 2019

Release Date

Apr 2018

GeForce 16

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1530 MHz

Base Clock

1019 MHz

1785 MHz

Boost Clock

1071 MHz

2001 MHz

Memory Clock

1500 MHz

Memory

6GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

64bit

192.1GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

22

SM Count

-

1408

Shading Units

640

88

TMUs

40

48

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

85.68 GPixel/s

Pixel Rate

17.14 GPixel/s

157.1 GTexel/s

Texture Rate

42.84 GTexel/s

10.05 TFLOPS

FP16 (half)

1371 GFLOPS

5.027 TFLOPS

FP32 (float)

1371 GFLOPS

157.1 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

120W

TDP

50W

300 W

Suggested PSU

250 W

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

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Processor

TU116

GPU Name

Lexa

TU116-300-A1

GPU Variant

Lexa PRO (215-0904018)

Turing

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

12 nm

Process Size

14 nm

6.6 billion

Transistors

2.2 billion

284 mm²

Die Size

103 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

7.5

CUDA

-

6.6

Shader Model

6.4

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