ATI Radeon X800 XT vs GeForce GTX 780M Mac Edition

Place in the ranking	561	1356
Place by popularity	not in top-100	not in top-100
Power efficiency	3.82	0.32
Architecture	Kepler (2012−2018)	R400 (2004−2008)
GPU code name	GK104	R423
Market segment	Laptop	Desktop
Release date	8 November 2013 (11 years ago)	1 December 2004 (19 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	1536	no data
Core clock speed	771 MHz	500 MHz
Boost clock speed	797 MHz	no data
Number of transistors	3,540 million	160 million
Manufacturing process technology	28 nm	130 nm
Power consumption (TDP)	122 Watt	54 Watt
Texture fill rate	102.0	8.000
Floating-point processing power	2.448 TFLOPS	no data
ROPs	32	16
TMUs	128	16

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	MXM-B (3.0)	PCIe 1.0 x16
Width	no data	1-slot
Supplementary power connectors	no data	1x 6-pin

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	GDDR3
Maximum RAM amount	4 GB	256 MB
Memory bus width	256 Bit	256 Bit
Memory clock speed	1250 MHz	500 MHz
Memory bandwidth	160.0 GB/s	32 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)	9.0b (9_2)
Shader Model	5.1	no data
OpenGL	4.6	2.0
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	6.69	0.25
Recency	8 November 2013	1 December 2004
Maximum RAM amount	4 GB	256 MB
Chip lithography	28 nm	130 nm
Power consumption (TDP)	122 Watt	54 Watt

GTX 780M Mac Edition has a 2576% higher aggregate performance score, an age advantage of 8 years, a 1500% higher maximum VRAM amount, and a 364.3% more advanced lithography process.

ATI X800 XT, on the other hand, has 125.9% lower power consumption.

The GeForce GTX 780M Mac Edition is our recommended choice as it beats the Radeon X800 XT in performance tests.

Be aware that GeForce GTX 780M Mac Edition is a notebook card while Radeon X800 XT is a desktop one.

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