AMD Radeon R7 M380 vs NVIDIA GeForce 820M

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We compared two Mobile platform GPUs: 4GB VRAM Radeon R7 M380 and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M380 's Advantages

Boost Clock915MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (32.00GB/s vs 28.83GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M380 +88%

1.171 TFLOPS

GeForce 820M

0.622 TFLOPS

Radeon R7 M380

VS

GeForce 820M

Graphics Card

May 2015

Release Date

Mar 2015

Gem System

Generation

GeForce 800M

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

901 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

32.00GB/s

Bandwidth

28.83GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

384

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

14.64 GPixel/s

Pixel Rate

6.480 GPixel/s

36.60 GTexel/s

Texture Rate

25.92 GTexel/s

-

FP16 (half)

-

1171 GFLOPS

FP32 (float)

622.1 GFLOPS

73.20 GFLOPS

FP64 (double)

25.92 GFLOPS

Graphics Processor

Tropo

GPU Name

GK107

Tropo XT

GPU Variant

-

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

Board Design

Unknown

TDP

45W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

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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