NVIDIA GeForce GTX 1660 Ti vs AMD Radeon HD 6870 X2

VS

NVIDIA GeForce GTX 1660 Ti

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 Ti and 1024MB VRAM Radeon HD 6870 X2 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 7 years and 7 months late

Boost Clock1770MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 134.4GB/s)

416 additional rendering cores

Lower TDP (120W vs 300W)

Score

Benchmark

FP32 (float)

GeForce GTX 1660 Ti +169%

5.437 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

GeForce GTX 1660 Ti

VS

Radeon HD 6870 X2

Graphics Card

Feb 2019

Release Date

Jul 2011

GeForce 16

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1500 MHz

Base Clock

-

1770 MHz

Boost Clock

-

1500 MHz

Memory Clock

1050 MHz

Memory

6GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

288.0GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

24

SM Count

-

1536

Shading Units

1120

96

TMUs

56

48

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

84.96 GPixel/s

Pixel Rate

28.80 GPixel/s

169.9 GTexel/s

Texture Rate

50.40 GTexel/s

10.87 TFLOPS

FP16 (half)

-

5.437 TFLOPS

FP32 (float)

2.016 TFLOPS

169.9 GFLOPS

FP64 (double)

-

Board Design

120W

TDP

300W

300 W

Suggested PSU

700 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 8-pin

Power Connectors

-

Graphics Processor

TU116

GPU Name

Barts

TU116-400-A1

GPU Variant

Barts XT (215-0798000)

Turing

Architecture

TeraScale 2

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

6.6 billion

Transistors

1.7 billion

284 mm²

Die Size

255 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

5.0

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