AMD Radeon R9 M265X vs ATI Mobility Radeon HD 4850 X2

Table of Contents

Graphics Processor

GPU model Venus M98
GPU variant Venus PRO
Architecture GCN 1.0 TeraScale
Foundry TSMC TSMC
Manufacturing process 28 nm 55 nm
Number of transistors 1,500 million 956 million
Die size 123 mm² 256 mm²

Mobile graphics

Release date Mar 21st, 2014 Jan 9th, 2009
Generation Crystal System (R9 M200) M9x (Mobility HD 4800)
Production End-of-life End-of-life
Interface PCIe 3.0 x16 PCIe 2.0 x16
Predecessor Solar System M8x
Successor Mobility Radeon Manhattan
Reviews 2 in our database

Clocks

Base clock 575 MHz
Boost clock 625 MHz
Memory clock 1000 MHz 4 Gbps effective 700 MHz 2.8 Gbps effective
GPU clock 500 MHz

Memory Configuration

Memory size 2 GB 1024 MB
Memory type GDDR5 GDDR5
Memory bus width 128 bit 256 bit
Bandwidth 64.00 GB/s 89.60 GB/s

Render Configuration

Shading units 640 800
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 8.000 GPixel/s
Texture rate 25.00 GTexel/s 20.00 GTexel/s
FP32 (float) performance 800.0 GFLOPS 800.0 GFLOPS
FP64 (double) performance 50.00 GFLOPS (1:16) 160.0 GFLOPS (1:5)

Dimensions & Outputs

TDP unknown unknown
Outputs No outputs No outputs

API Support & Features

DirectX 12 (11_1) 10.1 (10_1)
OpenGL 4.6 3.3
OpenCL 1.2 1.1
Vulkan 1.2
Shader model 5.1 4.1

Other Features

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