Radeon HD 2600 XT Mac 

Released February, 2008
  • 700 MHz
  • 256 MB GDDR3

As far as cooling is concerned, we have all seen how well the Hawaii GPUs well when they are coupled with water cooling.
by hassan-mujtaba (Jun, 2014)
The new Tonga XT-based graphics card should end up faster than both the Tahiti XT-based R9 280X and the GTX 770 while drawing less power, which suggests that this should be a very good piece of hardware in terms of performance per watt.
by Slobodan-Simic (Aug, 2014)

Features Key features of the Radeon HD 2600 XT Mac

memory bandwidth Rate at which data can be read from or stored in onboard memory

Radeon HD 2600 XT Mac
25.6 GB/s
GeForce GT 8800
64.6 GB/s
GeForce GT 9400
12.8 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon HD 2600 XT Mac
2.8 GPixel/s
GeForce GT 8800
11.2 GPixel/s
GeForce GT 9400
2.2 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon HD 2600 XT Mac
5.6 GTexel/s
GeForce GT 8800
39.2 GTexel/s
GeForce GT 9400
4.4 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 2600 XT Mac
168 GFLOPS
GeForce GT 8800
392 GFLOPS
GeForce GT 9400
44.8 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

Radeon HD 2600 XT Mac
120

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Radeon HD 2600 XT Mac
8

In The News From around the web

5
Oct

Report: AMD's Dual-GPU Fiji XT Card Might Be Coming Soon

by Sebastian Peak |
www.pcper.com
It was speculated that the system was actually housing an unreleased dual-GPU graphic card, which would have made sense given the very small size of the system (and mini-ITX motherboard therein).
The card seems close enough to the final stage that we should expect to hear something official soon, but for now it's fun to speculate - unless of course the speculation concerns a high initial retail price, and unfortunately something at or above $1000 is quite likely.
15
Oct

AMD will show up in iMac 27 and a few more

by Fuad Abazovic |
www.fudzilla.com
This is a significant win for AMD, but the real winner is Intel since most Apple notebooks will continue using integrated Intel HD or Iris graphics.
We are not sure what Nvidia did to upset Apple, but this round of devices will be powered either by Intel integrated graphics or AMD discrete graphics.
The Xeon E5-2600 V3 lineup is going to be aimed at the HPC server and workstation market featuring 23 E5-2600 V3 SKUs including the flagship Xeon E5-2699 V3 which boasts 18 Cores, 36 threads, 45 MB of L3 cache and a high price of $4115 US.
Another technology update over at the workstation front is the introduction of C612 series chipset and DDR4 memory.
12
Aug

AMD Tonga XT graphics cards come later

by Slobodan Simic |
www.fudzilla.com
The new Tonga XT-based graphics card should end up faster than both the Tahiti XT-based R9 280X and the GTX 770 while drawing less power, which suggests that this should be a very good piece of hardware in terms of performance per watt.
Our sources report that AMD is indeed planning to introduce an XT version of the Tonga GPU which will not only have a higher Stream Processor count, most likely 2048, but also come with a wider 384-bit memory interface.

Specifications Full list of technical specs

gpu

GPU brand ATI
GPU name RV630
Market Desktop
Clock speed 700 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 120
Texture mapping units 8
Render output processors 4
Compute units 3
Pixel rate 2.8 GPixel/s
Texture rate 5.6 GTexel/s
Floating-point performance 168 GFLOPS

memory

Memory clock speed 800 MHz
Effective memory clock speed 1,600 MHz
Memory bus 128 bit
Memory 256 MB
Memory type GDDR3
Memory bandwidth 25.6 GB/s

noise and power

TDP 45W
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