ATI Mobility Radeon HD 4870 X2 vs AMD Radeon RX 550 Mobile

VS

ATI Mobility Radeon HD 4870 X2 AMD Radeon RX 550 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4870 X2 and 2GB VRAM Radeon RX 550 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4870 X2 's Advantages

160 additional rendering cores

AMD Radeon RX 550 Mobile 's Advantages

Released 8 years and 6 months late

Boost Clock1287MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 89.60GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4870 X2

0.88 TFLOPS

Radeon RX 550 Mobile +87%

1.647 TFLOPS

Mobility Radeon HD 4870 X2

VS

Radeon RX 550 Mobile

Graphics Card

Jan 2009

Release Date

Jul 2017

M9x

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1287 MHz

700 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

89.60GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

10

Compute Units

10

800

Shading Units

640

40

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

8.800 GPixel/s

Pixel Rate

20.59 GPixel/s

22.00 GTexel/s

Texture Rate

51.48 GTexel/s

-

FP16 (half)

1.647 TFLOPS

880.0 GFLOPS

FP32 (float)

1.647 TFLOPS

176.0 GFLOPS

FP64 (double)

103.0 GFLOPS

Graphics Processor

M98

GPU Name

Lexa

M98 XT L2 (216-0732023)

GPU Variant

Lexa PRO (215-0904018)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.956 billion

Transistors

2.2 billion

256 mm²

Die Size

103 mm²

Board Design

Unknown

TDP

50W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

6.4

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