AMD Radeon HD 6490M Mac Edition vs NVIDIA GeForce GT 130 Mac Edition

Graphics Processor

GPU model Seymour G94B
GPU variant Seymour XTX (216-0810005)
Architecture TeraScale 2 Tesla
Foundry TSMC TSMC
Manufacturing process 40 nm 55 nm
Number of transistors 370 million 505 million
Die size 67 mm² 196 mm²

Mobile graphics

Release date May 2nd, 2011
Generation Vancouver (HD 6400M)
Production End-of-life
Interface PCIe 2.0 x16
Predecessor Manhattan
Successor London

Clocks

GPU clock 750 MHz 600 MHz
Memory clock 794 MHz 3.2 Gbps effective 792 MHz 1584 Mbps effective
Shader clock 1500 MHz

Memory Configuration

Memory size 256 MB 512 MB
Memory type GDDR5 GDDR3
Memory bus width 64 bit 192 bit
Bandwidth 25.41 GB/s 38.02 GB/s

Render Configuration

Shading units 160 48
TMUs 8 24
ROPs 4 12
Compute units 2
Cache L1 8 KB (per CU)
Cache L2 128 KB 48 KB
SM count 6

Performance

Pixel rate 3.000 GPixel/s 7.200 GPixel/s
Texture rate 6.000 GTexel/s 14.40 GTexel/s
FP32 (float) performance 240.0 GFLOPS 144.0 GFLOPS

Dimensions & Outputs

TDP unknown 75 W
Outputs No outputs 2x DVI1x S-Video
Slot width Single-slot
Length 229 mm 9 inches
Suggested PSU 250 W
Power connectors 1x 6-pin
Board number P816

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

Graphics Card

Release date Dec 12th, 2008
Generation GeForce 100
Production End-of-life
Interface PCIe 2.0 x16
Predecessor GeForce 9
Successor GeForce 200

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