AMD Radeon R5 M420 vs ATI Mobility Radeon HD 4870 X2

VS

AMD Radeon R5 M420

ATI Mobility Radeon HD 4870 X2

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 1024MB VRAM Mobility Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M420 's Advantages

Released 7 years and 4 months late

Boost Clock850MHz

More VRAM (4GB vs 1024GB)

ATI Mobility Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 16.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M420

0.544 TFLOPS

Mobility Radeon HD 4870 X2 +61%

0.88 TFLOPS

Radeon R5 M420

VS

Mobility Radeon HD 4870 X2

Graphics Card

May 2016

Release Date

Jan 2009

Gem System

Generation

M9x

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

700 MHz

Memory

4GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

89.60GB/s

Render Config

5

Compute Units

10

-

320

Shading Units

800

20

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

8.800 GPixel/s

17.00 GTexel/s

Texture Rate

22.00 GTexel/s

-

544.0 GFLOPS

FP32 (float)

880.0 GFLOPS

34.00 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

M98

Jet PRO (216-0856040)

GPU Variant

M98 XT L2 (216-0732023)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.69 billion

Transistors

0.956 billion

56 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon R5 M420 vs AMD Radeon Pro WX 4170 Mobile

2

AMD Radeon R5 M420 vs Intel Arc A770M

3

AMD Radeon R5 M420 vs NVIDIA GeForce GT 550M

4

AMD Radeon R5 M420 vs AMD Radeon E9260 MXM

5

AMD Radeon R5 M420 vs AMD Radeon R5 M335

6

AMD Radeon R5 M420 vs AMD Radeon R9 M470X

7

AMD Radeon R5 M420 vs NVIDIA GeForce GT 720M

8

AMD Radeon R5 M420 vs AMD Radeon HD 8850M

9

AMD Radeon R5 M420 vs NVIDIA GeForce 920MX

10

AMD Radeon R5 M420 vs AMD Radeon R5 M240 Rebrand

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps