ATI Radeon X850 CrossFire Edition vs GeForce GTX 780

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	262	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.81	no data
Power efficiency	5.79	no data
Architecture	Kepler (2012−2018)	R400 (2004−2008)
GPU code name	GK110	R480
Market segment	Desktop	Desktop
Release date	23 May 2013 (11 years ago)	10 September 2006 (18 years ago)
Launch price (MSRP)	$649	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	2304	no data
Core clock speed	863 MHz	520 MHz
Boost clock speed	900 MHz	no data
Number of transistors	7,080 million	160 million
Manufacturing process technology	28 nm	130 nm
Power consumption (TDP)	250 Watt	no data
Maximum GPU temperature	95 °C	no data
Texture fill rate	173.2	8.320
Floating-point processing power	4.156 TFLOPS	no data
ROPs	48	16
TMUs	192	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).

Bus support	PCI Express 3.0	no data
Interface	PCIe 3.0 x16	PCIe 1.0 x16
Length	267 mm	no data
Height	4.376" (11.1 cm)	no data
Width	2-slot	2-slot
Minimum recommended system power	600 Watt	no data
Supplementary power connectors	1x 6-pin + 1x 8-pin	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	3 GB	256 MB
Memory bus width	384 Bit	256 Bit
Memory clock speed	1502 MHz	540 MHz
Memory bandwidth	288.4 GB/s	34.56 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	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort	2x DVI
Multi monitor support	4 displays	no data
HDMI	+	-
HDCP	+	-
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	Internal	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Blu Ray 3D	+	-
3D Gaming	+	-
3D Vision	+	-
PhysX	+	-
3D Vision Live	+	-

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	4.3	2.0
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	+	-

Pros & cons summary

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Recency	23 May 2013	10 September 2006
Maximum RAM amount	3 GB	256 MB
Chip lithography	28 nm	130 nm

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