AMD Radeon Pro 555X

AMD Radeon Pro 555X — 4 Гб GDDR5, 768 ядер, GPI 1.5

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Performance Rating

The Radeon Pro 555X was a professional mobile graphics chip by AMD, launched on July 16th, 2018. Built on the 14 nm process, and based on the Polaris 21 graphics processor, in its Polaris 21 PRO variant, the chip supports DirectX 12. The Polaris 21 graphics processor is an average sized chip with a die area of 123 mm² and 3,000 million transistors. Unlike the fully unlocked Radeon RX 560, which uses the same GPU but has all 1024 shaders enabled, AMD has disabled some shading units on the Radeon Pro 555X to reach the product's target shader count. It features 768 shading units, 48 texture mapping units, and 16 ROPs. AMD has paired 4 GB GDDR5 memory with the Radeon Pro 555X, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 907 MHz, memory is running at 1470 MHz (5.9 Gbps effective).

A100 A100
H200 H200
MI325X MI325X

AMD Radeon Pro 555X

1.5

AMD Radeon Pro 555X

1.5

Memory

Memory Size

4 GB

Memory Type

Memory Bandwidth

94.08 GB/s

Memory Bus Width

128 бит

ML Performance

FP16 (Half Precision)

1.3932 TFLOPS

BF16 (Brain Float)

No TFLOPS
311.84 TFLOPS
(NVIDIA A800 SXM4 80 GB)

TF32 (TensorFloat)

Compute Power

FP32 (Single Precision)

1.3932 TFLOPS

FP64 (Double Precision)

0.0871 TFLOPS

CUDA Cores

Architecture & Compatibility

GPU Architecture

SM (Streaming Multiprocessor)

PCIe Version

PCIe 3.0 x8

ML Software Support

CUDA Version

Clocks & Performance

Base Clock

Memory Clock

Power Consumption

Recommended PSU

Power Connector

None

TDP/TGP

75 W
unknown
(NVIDIA CMP 70HX)

Rendering

Texture Units (TMU)

L2 Cache

1024 KB

Additional

Slots

IGP
SXM Module
(NVIDIA B300)

Release Date

July 16, 2018
March 12, 2026
(Intel Arc B770)

Display Outputs

Portable Device Dependent
Portable Device Dependent
(NVIDIA GeForce RTX 5090 Mobile)

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