AMD Radeon Pro Vega 20 vs NVIDIA GeForce GTX 660M

VS

AMD Radeon Pro Vega 20

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Released 6 years and 8 months late

Boost Clock has increased by 35% (1283MHz vs 950MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (189.4GB/s vs 64.00GB/s)

896 additional rendering cores

NVIDIA GeForce GTX 660M 's Advantages

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +349%

3.284 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

Radeon Pro Vega 20

VS

GeForce GTX 660M

Graphics Card

Nov 2018

Release Date

Mar 2012

Radeon Pro Mac

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

815 MHz

Base Clock

835 MHz

1283 MHz

Boost Clock

950 MHz

740 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

128bit

189.4GB/s

Bandwidth

64.00GB/s

Render Config

20

Compute Units

-

1280

Shading Units

384

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

41.06 GPixel/s

Pixel Rate

7.600 GPixel/s

102.6 GTexel/s

Texture Rate

30.40 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

729.6 GFLOPS

205.3 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Vega 12

GPU Name

GK107

Vega 12 XTA

GPU Variant

N13E-GE-A2

GCN 5.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

Unknown

Transistors

1.27 billion

Unknown

Die Size

118 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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