NVIDIA GeForce GTX 660 Ti vs AMD Radeon Pro Vega II

VS

NVIDIA GeForce GTX 660 Ti

AMD Radeon Pro Vega II

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 32GB VRAM Radeon Pro Vega II to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Lower TDP (150W vs 475W)

AMD Radeon Pro Vega II 's Advantages

Released 6 years and 10 months late

Boost Clock has increased by 76% (1720MHz vs 980MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (825.3GB/s vs 144.2GB/s)

2752 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti

2.634 TFLOPS

Radeon Pro Vega II +434%

14.09 TFLOPS

Blender

GeForce GTX 660 Ti

146

Radeon Pro Vega II +469%

832

GeForce GTX 660 Ti

VS

Radeon Pro Vega II

Graphics Card

Aug 2012

Release Date

Jun 2019

GeForce 600

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

Apple MPX

Clock Speeds

915 MHz

Base Clock

1574 MHz

980 MHz

Boost Clock

1720 MHz

1502 MHz

Memory Clock

806 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

HBM2

192bit

Memory Bus

4096bit

144.2GB/s

Bandwidth

825.3GB/s

Render Config

-

Compute Units

64

-

1344

Shading Units

4096

112

TMUs

256

24

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

110.1 GPixel/s

109.8 GTexel/s

Texture Rate

440.3 GTexel/s

-

FP16 (half)

28.18 TFLOPS

2.634 TFLOPS

FP32 (float)

14.09 TFLOPS

109.8 GFLOPS

FP64 (double)

7.045 TFLOPS

Board Design

150W

TDP

475W

450 W

Suggested PSU

850 W

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

Outputs

1x HDMI 2.0b 4x Thunderbolt

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

Vega 20

GK104-300-KD-A2

GPU Variant

Vega 20 XT

Kepler

Architecture

GCN 5.1

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

3.54 billion

Transistors

13.23 billion

294 mm²

Die Size

331 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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