AMD Radeon HD 6490M Mac Edition vs NVIDIA GeForce GTX 260M

Table of Contents

Graphics Processor

GPU model Seymour G92
GPU variant Seymour XTX (216-0810005) N10E-GT
Architecture TeraScale 2 Tesla
Foundry TSMC TSMC
Manufacturing process 40 nm 65 nm
Number of transistors 370 million 754 million
Die size 67 mm² 324 mm²

Mobile graphics

Release date May 2nd, 2011 Mar 3rd, 2009
Generation Vancouver (HD 6400M) GeForce 200M
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 2.0 x16
Predecessor Manhattan GeForce 100M
Successor London GeForce 300M

Clocks

GPU clock 750 MHz 550 MHz
Memory clock 794 MHz 3.2 Gbps effective 950 MHz 1900 Mbps effective
Shader clock 1375 MHz

Memory Configuration

Memory size 256 MB 1024 MB
Memory type GDDR5 GDDR3
Memory bus width 64 bit 256 bit
Bandwidth 25.41 GB/s 60.80 GB/s

Render Configuration

Shading units 160 112
TMUs 8 56
ROPs 4 16
Compute units 2
Cache L1 8 KB (per CU)
Cache L2 128 KB 64 KB
SM count 14

Performance

Pixel rate 3.000 GPixel/s 8.800 GPixel/s
Texture rate 6.000 GTexel/s 30.80 GTexel/s
FP32 (float) performance 240.0 GFLOPS 308.0 GFLOPS

Dimensions & Outputs

TDP unknown 65 W
Outputs No outputs No outputs

API Support & Features

DirectX 11.2 (11_0) 11.1 (10_0)
OpenGL 4.4 3.3
OpenCL 1.2 1.1
Vulkan
Shader model 5.0 4.0
CUDA 1.1

Other Features

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