AMD Radeon Pro Vega II vs NVIDIA GeForce GTX 660

VS

AMD Radeon Pro Vega II

NVIDIA GeForce GTX 660

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

Main Differences

AMD Radeon Pro Vega II 's Advantages

Released 6 years and 9 months late

Boost Clock has increased by 67% (1720MHz vs 1032MHz)

More VRAM (32GB vs 2GB)

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

3136 additional rendering cores

NVIDIA GeForce GTX 660 's Advantages

Lower TDP (140W vs 475W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega II +611%

14.09 TFLOPS

GeForce GTX 660

1.981 TFLOPS

Blender

Radeon Pro Vega II +649%

832

GeForce GTX 660

111

Radeon Pro Vega II

VS

GeForce GTX 660

Graphics Card

Jun 2019

Release Date

Sep 2012

Radeon Pro Mac

Generation

GeForce 600

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x16

Clock Speeds

1574 MHz

Base Clock

980 MHz

1720 MHz

Boost Clock

1032 MHz

806 MHz

Memory Clock

1502 MHz

Memory

32GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

4096bit

Memory Bus

192bit

825.3GB/s

Bandwidth

144.2GB/s

Render Config

64

Compute Units

-

4096

Shading Units

960

256

TMUs

80

64

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

-

Theoretical Performance

110.1 GPixel/s

Pixel Rate

20.64 GPixel/s

440.3 GTexel/s

Texture Rate

82.56 GTexel/s

28.18 TFLOPS

FP16 (half)

-

14.09 TFLOPS

FP32 (float)

1.981 TFLOPS

7.045 TFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

475W

TDP

140W

850 W

Suggested PSU

300 W

1x HDMI 2.0b 4x Thunderbolt

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Vega 20

GPU Name

GK106

Vega 20 XT

GPU Variant

GK106-400-A1

GCN 5.1

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

13.23 billion

Transistors

2.54 billion

331 mm²

Die Size

221 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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