AMD Radeon Pro Vega 16 vs NVIDIA GeForce GT 645M

VS

AMD Radeon Pro Vega 16

NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 16 and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 16 's Advantages

Released 6 years and 1 months late

Boost Clock1190MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (307.2GB/s vs 28.80GB/s)

640 additional rendering cores

NVIDIA GeForce GT 645M 's Advantages

Lower TDP (32W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 16 +347%

2.437 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Radeon Pro Vega 16

VS

GeForce GT 645M

Graphics Card

Nov 2018

Release Date

Oct 2012

Radeon Pro Mac

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

815 MHz

Base Clock

-

1190 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

HBM2

Memory Type

DDR3

1024bit

Memory Bus

128bit

307.2GB/s

Bandwidth

28.80GB/s

Render Config

16

Compute Units

-

1024

Shading Units

384

64

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

38.08 GPixel/s

Pixel Rate

5.672 GPixel/s

76.16 GTexel/s

Texture Rate

22.69 GTexel/s

4.874 TFLOPS

FP16 (half)

-

2.437 TFLOPS

FP32 (float)

544.5 GFLOPS

152.3 GFLOPS

FP64 (double)

22.69 GFLOPS

Board Design

75W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Vega 12

GPU Name

GK107

Vega 12 XLA

GPU Variant

N13P-GS

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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