AMD Radeon R5 M420 vs AMD Radeon HD 7690M XT

VS

AMD Radeon R5 M420

AMD Radeon HD 7690M XT

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 2GB VRAM Radeon HD 7690M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M420 's Advantages

Released 3 years and 4 months late

Boost Clock850MHz

More VRAM (4GB vs 2GB)

AMD Radeon HD 7690M XT 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 16.00GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M420

0.544 TFLOPS

Radeon HD 7690M XT +27%

0.696 TFLOPS

Radeon R5 M420

VS

Radeon HD 7690M XT

Graphics Card

May 2016

Release Date

Jan 2013

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

780 MHz

Base Clock

-

850 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

57.60GB/s

Render Config

5

Compute Units

6

-

320

Shading Units

480

20

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

5.800 GPixel/s

17.00 GTexel/s

Texture Rate

17.40 GTexel/s

-

544.0 GFLOPS

FP32 (float)

696.0 GFLOPS

34.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Jet

GPU Name

Thames

Jet PRO (216-0856040)

GPU Variant

Thames XTX

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

0.716 billion

56 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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