NVIDIA GeForce GTX 1660 Ti vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce GTX 1660 Ti

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 Ti and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 Ti 's Advantages

Released 6 years and 1 months late

Boost Clock1770MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 153.6GB/s)

256 additional rendering cores

Lower TDP (120W vs 175W)

Score

Benchmark

FP32 (float)

GeForce GTX 1660 Ti +112%

5.437 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

GeForce GTX 1660 Ti

VS

Radeon HD 8870 OEM

Graphics Card

Feb 2019

Release Date

Jan 2013

GeForce 16

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1500 MHz

Base Clock

-

1770 MHz

Boost Clock

-

1500 MHz

Memory Clock

1200 MHz

Memory

6GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

288.0GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

24

SM Count

-

1536

Shading Units

1280

96

TMUs

80

48

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

84.96 GPixel/s

Pixel Rate

32.00 GPixel/s

169.9 GTexel/s

Texture Rate

80.00 GTexel/s

10.87 TFLOPS

FP16 (half)

-

5.437 TFLOPS

FP32 (float)

2.560 TFLOPS

169.9 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

120W

TDP

175W

300 W

Suggested PSU

450 W

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

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

TU116

GPU Name

Pitcairn

TU116-400-A1

GPU Variant

Pitcairn XT (215-0828047)

Turing

Architecture

GCN 1.0

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

6.6 billion

Transistors

2.8 billion

284 mm²

Die Size

212 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

7.5

CUDA

-

6.6

Shader Model

5.1

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