AMD Radeon R9 280X vs AMD Radeon R9 380 OEM

Table of Contents

Graphics Processor

GPU model Tahiti Antigua
GPU variant Tahiti XTL (215-0821065) Antigua PRO (215-0877000)
Architecture GCN 1.0 GCN 3.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 4,313 million 5,000 million
Die size 352 mm² 366 mm²

Graphics Card

Release date Oct 8th, 2013 May 5th, 2015
Generation Volcanic Islands Pirate Islands
Production End-of-life End-of-life
Launch price 299 USD
Interface PCIe 3.0 x16 PCIe 3.0 x16
Reviews 105 in our database
Predecessor Sea Islands Volcanic Islands
Successor Pirate Islands Arctic Islands

Clocks

Base clock 850 MHz
Boost clock 1000 MHz
Memory clock 1500 MHz 6 Gbps effective 1375 MHz 5.5 Gbps effective
GPU clock 918 MHz

Memory Configuration

Memory size 3 GB 4 GB
Memory type GDDR5 GDDR5
Memory bus width 384 bit 256 bit
Bandwidth 288.0 GB/s 176.0 GB/s

Render Configuration

Shading units 2048 1792
TMUs 128 112
ROPs 32 32
Compute units 32 28
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 768 KB 512 KB

Performance

Pixel rate 32.00 GPixel/s 29.38 GPixel/s
Texture rate 128.0 GTexel/s 102.8 GTexel/s
FP32 (float) performance 4.096 TFLOPS 3.290 TFLOPS
FP64 (double) performance 1,024 GFLOPS (1:4) 205.6 GFLOPS (1:16)
FP16 (half) performance 3.290 TFLOPS (1:1)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 275 mm 10.8 inches 221 mm 8.7 inches
Width 109 mm 4.3 inches 111 mm 4.4 inches
Height 36 mm 1.4 inches
TDP 250 W 190 W
Suggested PSU 600 W 450 W
Outputs 2x DVI1x HDMI1x DisplayPort 2x DVI1x HDMI1x DisplayPort
Power connectors 1x 6-pin + 1x 8-pin 2x 6-pin
Board number C386 C766

API Support & Features

DirectX 12 (11_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2 1.2
Shader model 5.1 6.3

Other Features

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