AMD Radeon R7 M380 vs NVIDIA GeForce GT 640M

VS

AMD Radeon R7 M380

NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M380 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 M380 's Advantages

Released 3 years and 2 months late

Boost Clock915MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (32.00GB/s vs 28.80GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M380 +143%

1.171 TFLOPS

GeForce GT 640M

0.48 TFLOPS

Radeon R7 M380

VS

GeForce GT 640M

Graphics Card

May 2015

Release Date

Mar 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

-

915 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

32.00GB/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

14.64 GPixel/s

Pixel Rate

5.000 GPixel/s

36.60 GTexel/s

Texture Rate

20.00 GTexel/s

-

1171 GFLOPS

FP32 (float)

480.0 GFLOPS

73.20 GFLOPS

FP64 (double)

20.00 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Tropo

GPU Name

GK107

Tropo XT

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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