AMD Radeon R7 M445 vs NVIDIA GeForce GT 640M LE

VS

AMD Radeon R7 M445

NVIDIA GeForce GT 640M LE

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M445 and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M445 's Advantages

Released 4 years late

Boost Clock920MHz

More VRAM (4GB vs 2GB)

224 additional rendering cores

NVIDIA GeForce GT 640M LE 's Advantages

Larger VRAM bandwidth (50.24GB/s vs 32.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M445 +103%

0.588 TFLOPS

GeForce GT 640M LE

0.289 TFLOPS

Radeon R7 M445

VS

GeForce GT 640M LE

Graphics Card

May 2016

Release Date

May 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

780 MHz

Base Clock

-

920 MHz

Boost Clock

-

1000 MHz

Memory Clock

785 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

50.24GB/s

Render Config

5

Compute Units

-

SM Count

2

320

Shading Units

96

20

TMUs

16

8

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

3.012 GPixel/s

18.40 GTexel/s

Texture Rate

12.05 GTexel/s

588.8 GFLOPS

FP16 (half)

-

588.8 GFLOPS

FP32 (float)

289.0 GFLOPS

36.80 GFLOPS

FP64 (double)

24.08 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

GF108

Meso PRO (216-0864032)

GPU Variant

-

GCN 3.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.55 billion

Transistors

0.585 billion

125 mm²

Die Size

116 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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