AMD Radeon R9 M265X vs AMD Radeon R9 M275

Table of Contents

Graphics Processor

GPU model Venus Venus
GPU variant Venus PRO Venus XTX
Architecture GCN 1.0 GCN 1.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 1,500 million 1,500 million
Die size 123 mm² 123 mm²

Mobile graphics

Release date Mar 21st, 2014 Jan 28th, 2014
Generation Crystal System (R9 M200) Crystal System (R9 M200)
Production End-of-life End-of-life
Interface PCIe 3.0 x16 PCIe 3.0 x16
Predecessor Solar System Solar System
Successor Mobility Radeon Mobility Radeon

Clocks

Base clock 575 MHz 900 MHz
Boost clock 625 MHz 925 MHz
Memory clock 1000 MHz 4 Gbps effective 1000 MHz 4 Gbps effective

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 128 bit 128 bit
Bandwidth 64.00 GB/s 64.00 GB/s

Render Configuration

Shading units 640 640
TMUs 40 40
ROPs 16 16
Compute units 10 10
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 256 KB 256 KB

Performance

Pixel rate 10.00 GPixel/s 14.80 GPixel/s
Texture rate 25.00 GTexel/s 37.00 GTexel/s
FP32 (float) performance 800.0 GFLOPS 1,184 GFLOPS
FP64 (double) performance 50.00 GFLOPS (1:16) 74.00 GFLOPS (1:16)

Dimensions & Outputs

TDP unknown unknown
Outputs No outputs No outputs

API Support & Features

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

Other Features

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