AMD Radeon R5 M240 Rebrand vs NVIDIA GeForce GT 620M

Table of Contents

Graphics Processor

GPU model Mars GF108
GPU variant Mars LE N13P-GLP-A1
Architecture GCN 1.0 Fermi
Foundry TSMC TSMC
Manufacturing process 28 nm 40 nm
Number of transistors 950 million 585 million
Die size 77 mm² 116 mm²

Mobile graphics

Release date Jan 10th, 2014 Aug 23rd, 2012
Generation Crystal System (R5 M200) GeForce 600M
Production End-of-life End-of-life
Interface PCIe 3.0 x8 PCIe 2.0 x16
Predecessor Solar System GeForce 500M
Successor Mobility Radeon GeForce 700M

Clocks

Base clock 650 MHz
Boost clock 700 MHz
Memory clock 900 MHz 1800 Mbps effective 900 MHz 1800 Mbps effective
GPU clock 660 MHz
Shader clock 1320 MHz

Memory Configuration

Memory size 1024 MB 1024 MB
Memory type DDR3 DDR3
Memory bus width 64 bit 128 bit
Bandwidth 14.40 GB/s 28.80 GB/s

Render Configuration

Shading units 384 96
TMUs 24 16
ROPs 8 4
Compute units 6
Cache L1 16 KB (per CU) 64 KB (per SM)
Cache L2 128 KB 256 KB
SM count 2

Performance

Pixel rate 5.600 GPixel/s 2.640 GPixel/s
Texture rate 16.80 GTexel/s 10.56 GTexel/s
FP32 (float) performance 537.6 GFLOPS 253.4 GFLOPS
FP64 (double) performance 33.60 GFLOPS (1:16) 21.12 GFLOPS (1:12)

Dimensions & Outputs

TDP unknown 15 W
Outputs No outputs No outputs

API Support & Features

DirectX 12 (11_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.2 1.1
Vulkan 1.2
Shader model 5.1 5.1
CUDA 2.1

Other Features

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