AMD Radeon Pro 450 vs NVIDIA GeForce GT 645M

VS

AMD Radeon Pro 450

NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 450 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 450 's Advantages

Released 4 years late

Larger VRAM bandwidth (81.28GB/s vs 28.80GB/s)

256 additional rendering cores

NVIDIA GeForce GT 645M 's Advantages

Lower TDP (32W vs 35W)

Score

Benchmark

FP32 (float)

Radeon Pro 450 +88%

1.024 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Radeon Pro 450

VS

GeForce GT 645M

Graphics Card

Oct 2016

Release Date

Oct 2012

Radeon Pro Mac

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1270 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

81.28GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

5.672 GPixel/s

32.00 GTexel/s

Texture Rate

22.69 GTexel/s

1024 GFLOPS

FP16 (half)

-

1024 GFLOPS

FP32 (float)

544.5 GFLOPS

64.00 GFLOPS

FP64 (double)

22.69 GFLOPS

Board Design

35W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Baffin

GPU Name

GK107

Baffin LE

GPU Variant

N13P-GS

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.27 billion

123 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

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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