AMD Radeon R7 M440 vs NVIDIA GeForce GT 640M

VS

AMD Radeon R7 M440

NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M440 and 2GB VRAM GeForce GT 640M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M440 's Advantages

Released 4 years and 2 months late

More VRAM (4GB vs 2GB)

NVIDIA GeForce GT 640M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M440 +18%

0.57 TFLOPS

GeForce GT 640M

0.48 TFLOPS

Radeon R7 M440

VS

GeForce GT 640M

Graphics Card

May 2016

Release Date

Mar 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.80GB/s

Render Config

5

Compute Units

-

320

Shading Units

384

20

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.128 GPixel/s

Pixel Rate

5.000 GPixel/s

17.82 GTexel/s

Texture Rate

20.00 GTexel/s

570.2 GFLOPS

FP16 (half)

-

570.2 GFLOPS

FP32 (float)

480.0 GFLOPS

35.64 GFLOPS

FP64 (double)

20.00 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Meso

GPU Name

GK107

Meso PRO (216-0864032)

GPU Variant

N13P-GS

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.27 billion

125 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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