ATI Mobility Radeon HD 4850 X2 vs AMD Radeon Pro 555

VS

ATI Mobility Radeon HD 4850 X2

AMD Radeon Pro 555

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 2GB VRAM Radeon Pro 555 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 81.60GB/s)

32 additional rendering cores

AMD Radeon Pro 555 's Advantages

Released 8 years and 5 months late

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon Pro 555 +63%

1.306 TFLOPS

Mobility Radeon HD 4850 X2

VS

Radeon Pro 555

Graphics Card

Jan 2009

Release Date

Jun 2017

M9x

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

700 MHz

Memory Clock

1275 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

89.60GB/s

Bandwidth

81.60GB/s

Render Config

10

Compute Units

12

-

800

Shading Units

768

40

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

13.60 GPixel/s

20.00 GTexel/s

Texture Rate

40.80 GTexel/s

-

FP16 (half)

1306 GFLOPS

800.0 GFLOPS

FP32 (float)

1306 GFLOPS

160.0 GFLOPS

FP64 (double)

81.60 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

M98

GPU Name

Polaris 21

M98 L2 (216-0732019)

GPU Variant

Polaris 21 PRO

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.956 billion

Transistors

3 billion

256 mm²

Die Size

123 mm²

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

-

4.1

Shader Model

6.4

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