ATI Radeon HD 2600 PRO AGP vs GeForce GT 755M Mac Edition

Place in the ranking	865	1340
Place by popularity	not in top-100	not in top-100
Power efficiency	2.95	0.57
Architecture	Kepler (2012−2018)	TeraScale (2005−2013)
GPU code name	GK107	RV630
Market segment	Laptop	Desktop
Release date	8 November 2013 (11 years ago)	28 June 2007 (17 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	384	120
Core clock speed	1085 MHz	594 MHz
Number of transistors	1,270 million	390 million
Manufacturing process technology	28 nm	65 nm
Power consumption (TDP)	50 Watt	35 Watt
Texture fill rate	34.72	4.752
Floating-point processing power	0.8333 TFLOPS	0.1426 TFLOPS
ROPs	16	4
TMUs	32	8

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Interface	PCIe 3.0 x16	AGP 8x
Width	no data	1-slot
Supplementary power connectors	no data	None

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR5	DDR2
Maximum RAM amount	1 GB	512 MB
Memory bus width	128 Bit	128 Bit
Memory clock speed	1250 MHz	396 MHz
Memory bandwidth	80 GB/s	12.67 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

No outputs

1x DVI, 1x VGA, 1x S-Video

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 (11_0)	10.0 (10_0)
Shader Model	5.1	4.0
OpenGL	4.6	3.3
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	3.0	-

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary

Performance score	2.15	0.29
Recency	8 November 2013	28 June 2007
Maximum RAM amount	1 GB	512 MB
Chip lithography	28 nm	65 nm
Power consumption (TDP)	50 Watt	35 Watt

GT 755M Mac Edition has a 641.4% higher aggregate performance score, an age advantage of 6 years, a 100% higher maximum VRAM amount, and a 132.1% more advanced lithography process.

ATI HD 2600 PRO AGP, on the other hand, has 42.9% lower power consumption.

The GeForce GT 755M Mac Edition is our recommended choice as it beats the Radeon HD 2600 PRO AGP in performance tests.

Be aware that GeForce GT 755M Mac Edition is a notebook card while Radeon HD 2600 PRO AGP is a desktop one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.