ATI Mobility Radeon HD 4860 vs AMD Radeon Pro 555X

VS

ATI Mobility Radeon HD 4860

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4860 and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 9 years and 4 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (94.08GB/s vs 64.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4860

0.832 TFLOPS

Radeon Pro 555X +67%

1.393 TFLOPS

Mobility Radeon HD 4860

VS

Radeon Pro 555X

Graphics Card

Mar 2009

Release Date

Jul 2018

M9x

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1000 MHz

Memory Clock

1470 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

94.08GB/s

Render Config

8

Compute Units

12

-

640

Shading Units

768

32

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

10.40 GPixel/s

Pixel Rate

14.51 GPixel/s

20.80 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

832.0 GFLOPS

FP32 (float)

1393 GFLOPS

166.4 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

M97

GPU Name

Polaris 21

M97 M2 XT (216-0731000)

GPU Variant

Polaris 21 PRO

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.826 billion

Transistors

3 billion

137 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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