AMD Radeon R9 M385 vs NVIDIA GeForce GT 620M

VS

AMD Radeon R9 M385

NVIDIA GeForce GT 620M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385 's Advantages

Released 2 years and 9 months late

Boost Clock1000MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (76.80GB/s vs 28.80GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385 +608%

1.792 TFLOPS

GeForce GT 620M

0.253 TFLOPS

Radeon R9 M385

VS

GeForce GT 620M

Graphics Card

May 2015

Release Date

Aug 2012

Gem System

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

28.80GB/s

Render Config

14

Compute Units

-

SM Count

2

896

Shading Units

96

56

TMUs

16

ROPs

4

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

2.640 GPixel/s

56.00 GTexel/s

Texture Rate

10.56 GTexel/s

-

1.792 TFLOPS

FP32 (float)

253.4 GFLOPS

112.0 GFLOPS

FP64 (double)

21.12 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

GF108

Strato XT

GPU Variant

N13P-GLP-A1

GCN 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.585 billion

160 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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