NVIDIA GeForce GTX 1660 Ti vs ATI Radeon HD 4890

VS

NVIDIA GeForce GTX 1660 Ti

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 1660 Ti and 1024MB VRAM Radeon HD 4890 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 9 years and 10 months late

Boost Clock1770MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 124.8GB/s)

736 additional rendering cores

Lower TDP (120W vs 190W)

Score

Benchmark

FP32 (float)

GeForce GTX 1660 Ti +299%

5.437 TFLOPS

Radeon HD 4890

1.36 TFLOPS

GeForce GTX 1660 Ti

VS

Radeon HD 4890

Graphics Card

Feb 2019

Release Date

Apr 2009

GeForce 16

Generation

Radeon R700

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

975 MHz

Memory

6GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

288.0GB/s

Bandwidth

124.8GB/s

Render Config

-

Compute Units

10

24

SM Count

-

1536

Shading Units

800

96

TMUs

40

48

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

84.96 GPixel/s

Pixel Rate

13.60 GPixel/s

169.9 GTexel/s

Texture Rate

34.00 GTexel/s

10.87 TFLOPS

FP16 (half)

-

5.437 TFLOPS

FP32 (float)

1360 GFLOPS

169.9 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

120W

TDP

190W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

TU116

GPU Name

RV790

TU116-400-A1

GPU Variant

RV790 XT (215-0758016)

Turing

Architecture

TeraScale

TSMC

Foundry

TSMC

12 nm

Process Size

55 nm

6.6 billion

Transistors

0.959 billion

284 mm²

Die Size

282 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

4.1

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