AMD Radeon R7 450 OEM vs AMD Radeon RX 550 512SP

Table of Contents

Graphics Processor

GPU model Cape Verde Baffin
GPU variant Cape Verde PRX Baffin LE
Architecture GCN 1.0 GCN 4.0
Foundry TSMC GlobalFoundries
Manufacturing process 28 nm 14 nm
Number of transistors 1,500 million 3,000 million
Die size 123 mm² 123 mm²

Graphics Card

Release date Jun 30th, 2016 Oct 13th, 2017
Generation Arctic Islands Polaris
Production End-of-life Active
Interface PCIe 3.0 x16 PCIe 3.0 x8
Predecessor Pirate Islands Arctic Islands
Successor Polaris Vega
Launch price 79 USD

Clocks

GPU clock 925 MHz
Memory clock 1125 MHz 4.5 Gbps effective 1500 MHz 6 Gbps effective
Base clock 1019 MHz
Boost clock 1071 MHz

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 128 bit 128 bit
Bandwidth 72.00 GB/s 96.00 GB/s

Render Configuration

Shading units 512 512
TMUs 32 32
ROPs 16 16
Compute units 8 8
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 256 KB 512 KB

Performance

Pixel rate 14.80 GPixel/s 17.14 GPixel/s
Texture rate 29.60 GTexel/s 34.27 GTexel/s
FP32 (float) performance 947.2 GFLOPS 1,097 GFLOPS
FP64 (double) performance 59.20 GFLOPS (1:16) 68.54 GFLOPS (1:16)
FP16 (half) performance 1,097 GFLOPS (1:1)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
TDP 65 W 50 W
Suggested PSU 250 W 250 W
Outputs No outputs 1x DVI1x HDMI1x DisplayPort
Power connectors 1x 6-pin None
Board number C750 C906 D090-01
Length 145 mm 5.7 inches

API Support & Features

DirectX 12 (11_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.2 1.2
Shader model 5.1 6.4

Other Features

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