AMD Radeon R5 M420 vs NVIDIA GeForce GT 755M Mac Edition

VS

AMD Radeon R5 M420

NVIDIA GeForce GT 755M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 1024MB VRAM GeForce GT 755M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M420 's Advantages

Released 2 years and 6 months late

Boost Clock850MHz

More VRAM (4GB vs 1024GB)

NVIDIA GeForce GT 755M Mac Edition 's Advantages

Larger VRAM bandwidth (80.00GB/s vs 16.00GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M420

0.544 TFLOPS

GeForce GT 755M Mac Edition +53%

0.833 TFLOPS

Radeon R5 M420

VS

GeForce GT 755M Mac Edition

Graphics Card

May 2016

Release Date

Nov 2013

Gem System

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

780 MHz

Base Clock

-

850 MHz

Boost Clock

-

1000 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

80.00GB/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

6.800 GPixel/s

Pixel Rate

8.680 GPixel/s

17.00 GTexel/s

Texture Rate

34.72 GTexel/s

-

544.0 GFLOPS

FP32 (float)

833.3 GFLOPS

34.00 GFLOPS

FP64 (double)

34.72 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Jet

GPU Name

GK107

Jet PRO (216-0856040)

GPU Variant

GT 755M

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

1.27 billion

56 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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