ATI Graphics Wonder VLB vs GeForce GTX 660 OEM

Primary details

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

Place in the ranking	734	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	1.79	no data
Architecture	Kepler (2012−2018)	Mach (1992−1997)
GPU code name	GK104	Mach32
Market segment	Desktop	Desktop
Release date	22 August 2012 (12 years ago)	1992 (32 years ago)
Launch price (MSRP)	no data	$199

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	1152	no data
Core clock speed	823 MHz	10 MHz
Boost clock speed	888 MHz	no data
Number of transistors	3,540 million	no data
Manufacturing process technology	28 nm	700 nm
Power consumption (TDP)	130 Watt	no data
Texture fill rate	85.25	no data
Floating-point processing power	2.046 TFLOPS	no data
ROPs	32	1
TMUs	96	no data

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	PCIe 3.0 x16	VLB
Length	241 mm	no data
Width	2-slot	1-slot
Supplementary power connectors	1x 6-pin	no data

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	DRAM
Maximum RAM amount	2 GB	1 MB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1400 MHz	10 MHz
Memory bandwidth	179.2 GB/s	80 MB/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	2x DVI, 1x HDMI, 1x DisplayPort	1x VGA
HDMI	+	-

API compatibility

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

DirectX	12 (11_0)	N/A
Shader Model	5.1	no data
OpenGL	4.6	N/A
OpenCL	1.2	N/A
Vulkan	1.1.126	N/A
CUDA	3.0	-

Pros & cons summary

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Maximum RAM amount	2 GB	1 MB
Chip lithography	28 nm	700 nm

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