AMD Radeon R5 M420 vs AMD Radeon HD 6950M

VS

AMD Radeon R5 M420

AMD Radeon HD 6950M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 1024MB VRAM Radeon HD 6950M 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 1024GB)

AMD Radeon HD 6950M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 16.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M420

0.544 TFLOPS

Radeon HD 6950M +104%

1.114 TFLOPS

Radeon R5 M420

VS

Radeon HD 6950M

Graphics Card

May 2016

Release Date

Jan 2011

Gem System

Generation

Vancouver

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

900 MHz

Memory

4GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

115.2GB/s

Render Config

5

Compute Units

12

-

320

Shading Units

960

20

TMUs

48

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

18.56 GPixel/s

17.00 GTexel/s

Texture Rate

27.84 GTexel/s

-

544.0 GFLOPS

FP32 (float)

1114 GFLOPS

34.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Jet

GPU Name

Blackcomb

Jet PRO (216-0856040)

GPU Variant

Blackcomb PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.69 billion

Transistors

1.7 billion

56 mm²

Die Size

212 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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