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AMD Radeon Pro 555

Graphics Processor
Polaris 21
Cores
768
TMUs
48
ROPs
16
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
128 bit
The Radeon Pro 555 is a professional graphics card by AMD, launched in June 2017. Built on the 14 nm process, and based on the Polaris 21 graphics processor, in its Polaris 21 PRO variant, the card supports DirectX 12.0. 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 560X, which uses the same GPU but has all 1024 shaders enabled, AMD has disabled some shading units on the Radeon Pro 555 to reach the product's target shader count. It features 768 shading units, 48 texture mapping units and 16 ROPs. AMD has placed 2,048 MB GDDR5 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 850 MHz, memory is running at 1275 MHz.
Being a igp card, the AMD Radeon Pro 555 does not require any additional power connector, its power draw is rated at 75 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Radeon Pro 555 is connected to the rest of the system using a PCI-Express 3.0 x8 interface.

Graphics Processor

GPU Name
Polaris 21
GPU Variant
Polaris 21 PRO
Architecture
GCN 4.0
Foundry
GlobalFoundries
Process Size
14 nm
Transistors
3,000 million
Die Size
123 mm²

Mobile Graphics

Release Date
Jun 5th, 2017
Generation
Radeon Pro
(500)
Production
Active
Bus Interface
PCIe 3.0 x8

Relative Performance

8%
GeForce 210
10%
GeForce 9400 GT
12%
Radeon HD 4550
16%
Radeon HD 5450
18%
Radeon HD 6450
19%
GeForce GT 520
24%
GeForce GT 220
31%
GeForce GT 430
32%
Radeon HD 5570
35%
Radeon HD 4670
36%
GeForce GT 440
37%
GeForce GT 240
43%
GeForce 9600 GT
45%
Radeon HD 5670
49%
GeForce GT 640
50%
GeForce 9800 GT
52%
Radeon HD 6670
54%
Radeon HD 4830
58%
Radeon HD 4770
61%
Radeon HD 4850
62%
GeForce GTS 250
64%
GeForce GTS 450
66%
Radeon HD 5750
76%
Radeon HD 7750
76%
Radeon HD 5770
78%
GeForce GTX 260
79%
Radeon HD 4870
79%
Radeon Vega 8
80%
GeForce GTX 550 Ti
80%
GeForce GTX 650
85%
Radeon HD 5830
89%
Radeon HD 6790
91%
Radeon HD 4890
94%
GeForce GTX 460
95%
Radeon RX Vega 11
96%
GeForce GT 1030
97%
GeForce GTX 275
97%
Radeon HD 7770 GHz Edition
97%
GeForce GTX 280
99%
GeForce GTX 465
100%
Radeon Pro 555
104%
Radeon HD 6850
106%
GeForce GTX 285
113%
Radeon HD 5850
116%
GeForce GTX 650 Ti
116%
Radeon HD 7790
120%
Radeon RX 550
121%
GeForce GTX 470
125%
Radeon HD 6870
133%
Radeon HD 5870
138%
GeForce GTX 560 Ti
138%
Radeon HD 4870 X2
141%
GeForce GTX 750 Ti
142%
Radeon HD 6950
147%
GeForce GTX 295
148%
GeForce GTX 650 Ti Boost
149%
Radeon HD 7850
152%
GeForce GTX 480
159%
Radeon HD 6970
162%
Radeon R7 265
165%
Radeon RX 460
165%
Radeon R7 370
165%
GeForce GTX 660
166%
GeForce GTX 570
169%
Radeon RX 560
179%
GeForce GTX 950
181%
Radeon HD 7870 GHz Edition
185%
Radeon R9 270X
187%
GeForce GTX 660 Ti
188%
GeForce GTX 580
190%
GeForce GTX 1050
190%
Radeon HD 7950
194%
Radeon HD 5970
199%
GeForce GTX 760
214%
GeForce GTX 670
220%
GeForce GTX 960
226%
Radeon R9 380
227%
Radeon R9 285
229%
Radeon HD 7970
232%
GeForce GTX 680
237%
GeForce GTX 1050 Ti
243%
GeForce GTX 770
249%
Radeon HD 6990
255%
Radeon R9 280X
258%
GeForce GTX 590
259%
Radeon HD 7970 GHz Edition
286%
GeForce GTX 780
297%
GeForce GTX 1650
315%
Radeon RX 470
320%
Radeon R9 290
337%
Radeon RX 570
341%
Radeon R9 390
343%
Radeon R9 290X
347%
GeForce GTX 970
352%
GeForce GTX TITAN
357%
GeForce GTX 780 Ti
362%
Radeon R9 390X
363%
Radeon HD 7990
365%
Radeon RX 480
368%
GeForce GTX 690
388%
Radeon RX 580
396%
GeForce GTX 980
401%
Radeon R9 FURY
401%
GeForce GTX 1060 6 GB
419%
Radeon RX 590
441%
Radeon R9 295X2
444%
GeForce GTX 1660
449%
Radeon R9 FURY X
456%
GeForce GTX 980 Ti
468%
GeForce GTX TITAN X
509%
GeForce GTX 1660 Ti
509%
GeForce GTX 1070
542%
Radeon RX Vega 56
575%
GeForce GTX 1070 Ti
591%
Radeon RX Vega 64
600%
GeForce GTX 1080
600%
GeForce RTX 2060
624%
Radeon RX 5700
674%
GeForce RTX 2060 SUPER
698%
GeForce RTX 2070
715%
Radeon RX 5700 XT
723%
Radeon VII
742%
TITAN X Pascal
764%
GeForce GTX 1080 Ti
772%
GeForce RTX 2070 SUPER
822%
GeForce RTX 2080
871%
GeForce RTX 2080 SUPER
961%
GeForce RTX 2080 Ti
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
850 MHz
Memory Clock
1275 MHz
5100 MHz effective

Memory

Memory Size
2 GB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
81.60 GB/s

Render Config

Shading Units
768
TMUs
48
ROPs
16
Compute Units
12
L1 Cache
16 KB (per CU)
L2 Cache
1024 KB

Theoretical Performance

Pixel Rate
13.60 GPixel/s
Texture Rate
40.80 GTexel/s
FP16 (half) performance
1,306 GFLOPS (1:1)
FP32 (float) performance
1,306 GFLOPS
FP64 (double) performance
81.60 GFLOPS (1:16)

Board Design

Slot Width
IGP
TDP
75 W
Outputs
No outputs
Power Connectors
None

Graphics Features

DirectX
12.0 (12_0)
OpenGL
4.6
OpenCL
2.0
Vulkan
1.1.119
Shader Model
6.4

Polaris 21 GPU Notes

Architecture Codename: Arctic Islands
Codename: Baffin
CLRX Version: GCN 1.2
Graphics/Compute: GFX8 (gfx803)
Display Core Engine: 11.2
Unified Video Decoder: 6.3
Video Compression Engine: 3.4