AMD Radeon R9 M375X vs NVIDIA GeForce GT 645M

VS

AMD Radeon R9 M375X

NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M375X 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 R9 M375X 's Advantages

Released 2 years and 7 months late

Boost Clock1015MHz

Larger VRAM bandwidth (72.00GB/s vs 28.80GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M375X +138%

1.299 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Radeon R9 M375X

VS

GeForce GT 645M

Graphics Card

May 2015

Release Date

Oct 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

-

1015 MHz

Boost Clock

-

1125 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

72.00GB/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)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.24 GPixel/s

Pixel Rate

5.672 GPixel/s

40.60 GTexel/s

Texture Rate

22.69 GTexel/s

-

1299 GFLOPS

FP32 (float)

544.5 GFLOPS

81.20 GFLOPS

FP64 (double)

22.69 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Tropo

GPU Name

GK107

Tropo XTX

GPU Variant

N13P-GS

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.27 billion

123 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5 (5.1)

Shader Model

5.1

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