ATI Mobility Radeon HD 4850 Mac Edition vs GeForce GTX 780 Ti

Primary details

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

Place in the ranking	279	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.48	no data
Power efficiency	6.96	no data
Architecture	Kepler (2012−2018)	TeraScale (2005−2013)
GPU code name	GK110B	M98
Market segment	Desktop	Laptop
Release date	7 November 2013 (12 years ago)	28 August 2009 (16 years ago)
Launch price (MSRP)	$699	no data

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

Performance to price scatter graph

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	2880	800
Core clock speed	875 MHz	503 MHz
Boost clock speed	928 MHz	no data
Number of transistors	7,080 million	956 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	250 Watt	no data
Texture fill rate	222.7	20.12
Floating-point processing power	5.345 TFLOPS	0.8048 TFLOPS
ROPs	48	16
TMUs	240	40
L1 Cache	240 KB	160 KB
L2 Cache	1536 KB	256 KB

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 2.0 x16
Length	267 mm	no data
Height	4.376" (11.1 cm)	no data
Width	2-slot	no data
Supplementary power connectors	1x 6-pin + 1x 8-pin	no data
SLI options	+	-

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	512 MB
Memory bus width	384 Bit	256 Bit
Memory clock speed	7.0 GB/s	850 MHz
Memory bandwidth	336 GB/s	54.4 GB/s
Shared memory	-	-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort	No outputs
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	+	-
3D Vision Live	+	-

API and SDK support

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

DirectX	12 (11_1)	10.1 (10_1)
Shader Model	6.5 (5.1)	4.1
OpenGL	4.4	3.3
OpenCL	3.0	1.1
Vulkan	1.2.175	N/A
CUDA	+	-

Pros & cons summary

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Recency	7 November 2013	28 August 2009
Maximum RAM amount	3 GB	512 MB
Chip lithography	28 nm	55 nm

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