AMD Radeon Pro Vega 64X vs NVIDIA GeForce GT 645M

VS

AMD Radeon Pro Vega 64X

NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 16GB VRAM Radeon Pro Vega 64X 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 64X 's Advantages

Released 6 years and 5 months late

Boost Clock1468MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 28.80GB/s)

3712 additional rendering cores

NVIDIA GeForce GT 645M 's Advantages

Lower TDP (32W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 64X +2111%

12.03 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Radeon Pro Vega 64X

VS

GeForce GT 645M

Graphics Card

Mar 2019

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

1250 MHz

Base Clock

-

1468 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

2GB

HBM2

Memory Type

DDR3

2048bit

Memory Bus

128bit

512.0GB/s

Bandwidth

28.80GB/s

Render Config

64

Compute Units

-

4096

Shading Units

384

256

TMUs

32

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

93.95 GPixel/s

Pixel Rate

5.672 GPixel/s

375.8 GTexel/s

Texture Rate

22.69 GTexel/s

24.05 TFLOPS

FP16 (half)

-

12.03 TFLOPS

FP32 (float)

544.5 GFLOPS

751.6 GFLOPS

FP64 (double)

22.69 GFLOPS

Board Design

250W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Vega 10

GPU Name

GK107

Vega 10 XT (215-0894200)

GPU Variant

N13P-GS

GCN 5.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

1.27 billion

495 mm²

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

6.4

Shader Model

5.1

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