AMD Radeon R5 M420 vs NVIDIA GeForce GTX 485M

VS

AMD Radeon R5 M420

NVIDIA GeForce GTX 485M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 2GB VRAM GeForce GTX 485M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M420 's Advantages

Released 5 years and 4 months late

Boost Clock850MHz

More VRAM (4GB vs 2GB)

NVIDIA GeForce GTX 485M 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 16.00GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M420

0.544 TFLOPS

GeForce GTX 485M +62%

0.883 TFLOPS

Radeon R5 M420

VS

GeForce GTX 485M

Graphics Card

May 2016

Release Date

Jan 2011

Gem System

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

780 MHz

Base Clock

-

850 MHz

Boost Clock

-

1000 MHz

Memory Clock

750 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

96.00GB/s

Render Config

5

Compute Units

-

SM Count

8

320

Shading Units

384

20

TMUs

64

8

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

9.200 GPixel/s

17.00 GTexel/s

Texture Rate

36.80 GTexel/s

-

544.0 GFLOPS

FP32 (float)

883.2 GFLOPS

34.00 GFLOPS

FP64 (double)

73.60 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

GF104

Jet PRO (216-0856040)

GPU Variant

N12E-GTX-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

1.95 billion

56 mm²

Die Size

332 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

2.1

6.5 (5.1)

Shader Model

5.1

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