AMD Radeon Pro 555 vs AMD Radeon R7 260X

Graphics Processor

GPU model Polaris 21 Bonaire
GPU variant Polaris 21 PRO Bonaire XTX (215-0839097)
Architecture GCN 4.0 GCN 2.0
Foundry GlobalFoundries TSMC
Manufacturing process 14 nm 28 nm
Number of transistors 3,000 million 2,080 million
Die size 123 mm² 160 mm²

Mobile graphics

Release date Jun 5th, 2017
Generation Radeon Pro Mac (500 Series)
Production Active
Interface PCIe 3.0 x8

Clocks

GPU clock 850 MHz 1100 MHz
Memory clock 1275 MHz 5.1 Gbps effective 1625 MHz 6.5 Gbps effective

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 128 bit 128 bit
Bandwidth 81.60 GB/s 104.0 GB/s

Render Configuration

Shading units 768 896
TMUs 48 56
ROPs 16 16
Compute units 12 14
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 1024 KB 256 KB

Performance

Pixel rate 13.60 GPixel/s 17.60 GPixel/s
Texture rate 40.80 GTexel/s 61.60 GTexel/s
FP16 (half) performance 1,306 GFLOPS (1:1)
FP32 (float) performance 1,306 GFLOPS 1.971 TFLOPS
FP64 (double) performance 81.60 GFLOPS (1:16) 123.2 GFLOPS (1:16)

Dimensions & Outputs

Slot width IGP Dual-slot
TDP 75 W 115 W
Outputs No outputs 2x DVI1x HDMI1x DisplayPort
Power connectors None 1x 6-pin
Length 170 mm 6.7 inches
Suggested PSU 300 W
Board number C582

API Support & Features

DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.0
Vulkan 1.2 1.2
Shader model 6.4 6.3

Other Features

Graphics Card

Release date Oct 8th, 2013
Generation Volcanic Islands
Production End-of-life
Launch price 139 USD
Interface PCIe 3.0 x16
Reviews 29 in our database
Predecessor Sea Islands
Successor Pirate Islands

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