AMD Radeon Pro V420 vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon Pro V420

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V420 's Advantages

Boost Clock has increased by 65% (1700MHz vs 1032MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (819.2GB/s vs 144.2GB/s)

3136 additional rendering cores

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Lower TDP (140W vs 300W)

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420 +603%

13.93 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

AMD Radeon Pro V420

VS

GeForce GTX 660 Rev. 2

Graphics Card

Unknown

Release Date

Sep 2014

Radeon Pro Vega

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

800 MHz

Base Clock

980 MHz

1700 MHz

Boost Clock

1032 MHz

800 MHz

Memory Clock

1502 MHz

Memory

32GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

4096bit

Memory Bus

192bit

819.2GB/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

108.8 GPixel/s

Pixel Rate

20.64 GPixel/s

435.2 GTexel/s

Texture Rate

82.56 GTexel/s

27.85 TFLOPS

FP16 (half)

-

13.93 TFLOPS

FP32 (float)

1.981 TFLOPS

6.963 TFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

300W

TDP

140W

700 W

Suggested PSU

300 W

6x mini-DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Vega 20

GPU Name

GK104

Vega 20 GLXT WS (215-0914026)

GPU Variant

-

GCN 5.1

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

13.23 billion

Transistors

3.54 billion

331 mm²

Die Size

294 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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