AMD Radeon 550X 640SP vs NVIDIA GeForce GTX 1660

VS

AMD Radeon 550X 640SP

NVIDIA GeForce GTX 1660

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP 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 550X 640SP 's Advantages

Lower TDP (50W vs 120W)

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

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

GeForce GTX 1660 +266%

5.027 TFLOPS

Radeon 550X 640SP

VS

GeForce GTX 1660

Graphics Card

Apr 2018

Release Date

Mar 2019

Polaris

Generation

GeForce 16

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1019 MHz

Base Clock

1530 MHz

1071 MHz

Boost Clock

1785 MHz

1500 MHz

Memory Clock

2001 MHz

Memory

4GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

192bit

48.00GB/s

Bandwidth

192.1GB/s

Render Config

10

Compute Units

-

SM Count

22

640

Shading Units

1408

40

TMUs

88

16

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

85.68 GPixel/s

42.84 GTexel/s

Texture Rate

157.1 GTexel/s

1371 GFLOPS

FP16 (half)

10.05 TFLOPS

1371 GFLOPS

FP32 (float)

5.027 TFLOPS

85.68 GFLOPS

FP64 (double)

157.1 GFLOPS

Board Design

50W

TDP

120W

250 W

Suggested PSU

300 W

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

Outputs

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

None

Power Connectors

1x 8-pin

Graphics Processor

Lexa

GPU Name

TU116

Lexa PRO (215-0904018)

GPU Variant

TU116-300-A1

GCN 4.0

Architecture

Turing

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

12 nm

2.2 billion

Transistors

6.6 billion

103 mm²

Die Size

284 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

6.4

Shader Model

6.6

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