Radeon Sky 700 vs GeForce GTX 680

General info

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

Place in performance ranking	337	not rated
Place by popularity	not in top-100	not in top-100
Value for money	5.03	no data
Architecture	Kepler (2012−2018)	GCN 1.0 (2012−2020)
GPU code name	GK104	Tahiti
Market segment	Desktop	Workstation
Release date	22 March 2012 (12 years old)	27 March 2013 (11 years old)
Launch price (MSRP)	$499	no data
Current price	$156 (0.3x MSRP)	$892

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	1536	1792
CUDA cores	1536	no data
Core clock speed	1006 MHz	900 MHz
Boost clock speed	1058 MHz	no data
Number of transistors	3,540 million	4,313 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	195 Watt	225 Watt
Texture fill rate	128.8 billion/sec	100.8
Floating-point performance	3,090.4 gflops	3,226 gflops

Size and 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	PCIe 3.0
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	10.0" (25.4 cm)	267 mm
Height	4.376" (11.1 cm)	no data
Width	2-slot	2-slot
Form factor	no data	full height / full length
Supplementary power connectors	Two 6-pin	1x 8-pin
SLI options	+	no data

Memory

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	2048 MB	6 GB
Memory bus width	256-bit GDDR5	384 Bit
Memory clock speed	6000 MHz	5500 MHz
Memory bandwidth	192.2 GB/s	176 GB/s
Shared memory	-	no data

Video outputs and ports

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	1x DisplayPort
Multi monitor support	4 displays	no data
HDMI	+	no data
HDCP	+	no data
Maximum VGA resolution	2048x1536	no data
DisplayPort count	no data	1
Dual-link DVI support	no data	1
Audio input for HDMI	Internal	no data

API support

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

DirectX	12 (11_0)	12 (11_1)
Shader Model	5.1	5.1
OpenGL	4.2	4.6
OpenCL	1.2	1.2
Vulkan	1.1.126	1.2.131
CUDA	+	no data

Advantages and disadvantages

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Recency	22 March 2012	27 March 2013
Maximum RAM amount	2048 MB	6 GB
Power consumption (TDP)	195 Watt	225 Watt

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