AMD Radeon R7 M260 vs NVIDIA GeForce 820M

Table of Contents

Graphics Processor

GPU model Topaz GF117
GPU variant Topaz XT (216-0864030) N15V-GM-B-A2
Architecture GCN 3.0 Fermi 2.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 1,550 million 585 million
Die size 125 mm² 116 mm²

Mobile graphics

Release date Jun 11th, 2014 Nov 27th, 2013
Generation Crystal System (R7 M200) GeForce 800M
Production End-of-life End-of-life
Interface PCIe 3.0 x8 PCIe 2.0 x16
Predecessor Solar System GeForce 700M
Successor Mobility Radeon GeForce 900M

Clocks

Base clock 940 MHz
Boost clock 980 MHz
Memory clock 900 MHz 1800 Mbps effective 900 MHz 1800 Mbps effective
GPU clock 625 MHz
Shader clock 1250 MHz

Memory Configuration

Memory size 2 GB 1024 MB
Memory type DDR3 DDR3
Memory bus width 64 bit 64 bit
Bandwidth 14.40 GB/s 14.40 GB/s

Render Configuration

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

Performance

Pixel rate 7.840 GPixel/s 2.500 GPixel/s
Texture rate 23.52 GTexel/s 10.00 GTexel/s
FP16 (half) performance 752.6 GFLOPS (1:1)
FP32 (float) performance 752.6 GFLOPS 240.0 GFLOPS
FP64 (double) performance 47.04 GFLOPS (1:16) 20.00 GFLOPS (1:12)

Dimensions & Outputs

TDP unknown 15 W
Outputs No outputs No outputs
Board number C720

API Support & Features

DirectX 12 (12_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 2.0 1.1
Vulkan 1.2
Shader model 6.3 5.1
CUDA 2.1

Other Features

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