ATI Mobility Radeon HD 4850 X2 vs GeForce GTX 860M

Primary details

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

Place in the ranking	603	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	7.65	no data
Architecture	Kepler (2012−2018)	TeraScale (2005−2013)
GPU code name	GK104	M98
Market segment	Laptop	Laptop
Release date	10 March 2014 (12 years ago)	9 January 2009 (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. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.

Pipelines / CUDA cores	1152 or 640	800 ×2
Core clock speed	797 MHz	500 MHz
Boost clock speed	915 MHz	no data
Number of transistors	3.54 billion	956 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	75 Watt	no data
Texture fill rate	87.84	20.00 ×2
Floating-point processing power	no data	0.8 TFLOPS ×2
ROPs	16	16 ×2
TMUs	96	40 ×2
L1 Cache	96 KB	160 KB
L2 Cache	256 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).

Laptop size	medium sized	no data
Bus support	PCI Express 2.0, PCI Express 3.0	no data
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Supplementary power connectors	None	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	GDDR5
Maximum RAM amount	2 GB	1 GB ×2
Standard memory configuration	GDDR5	no data
Memory bus width	128 Bit	256 Bit ×2
Memory clock speed	Up to 2500 MHz	700 MHz
Memory bandwidth	80.0 GB/s	89.6 GB/s ×2
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	Portable Device Dependent	No outputs
eDP 1.2 signal support	Up to 3840x2160	no data
LVDS signal support	Up to 1920x1200	no data
VGA аnalog display support	Up to 2048x1536	no data
DisplayPort Multimode (DP++) support	Up to 3840x2160	no data
HDMI	+	-
HDCP content protection	+	-
7.1 channel HD audio on HDMI	+	-
TrueHD and DTS-HD audio bitstreaming	+	-

Supported technologies

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

H.264, VC1, MPEG2 1080p video decoder	+	-
Optimus	+	-
Ansel	+	-

API and SDK support

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

DirectX	12 (11_0)	10.1 (10_1)
Shader Model	6.5 (5.1)	4.1
OpenGL	4.5	3.3
OpenCL	1.1	1.1
Vulkan	1.2.175	N/A
CUDA	+	-

Pros & cons summary

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Recency	10 March 2014	9 January 2009
Maximum RAM amount	2 GB	1 GB
Chip lithography	28 nm	55 nm