CMP 90HX vs GeForce GTX 660 Ti

Primary details

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

Place in the ranking	477	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.79	no data
Power efficiency	5.42	no data
Architecture	Kepler (2012−2018)	Ampere (2020−2025)
GPU code name	GK104	GA102
Market segment	Desktop	Workstation
Release date	16 August 2012 (13 years ago)	28 July 2021 (4 years ago)
Launch price (MSRP)	$299	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	1344	6400
Core clock speed	915 MHz	1500 MHz
Boost clock speed	980 MHz	1710 MHz
Number of transistors	3,540 million	28,300 million
Manufacturing process technology	28 nm	8 nm
Power consumption (TDP)	150 Watt	320 Watt
Texture fill rate	109.8	342.0
Floating-point processing power	2.634 TFLOPS	21.89 TFLOPS
ROPs	24	80
TMUs	112	200
Tensor Cores	no data	200
Ray Tracing Cores	no data	50
L1 Cache	112 KB	6.3 MB
L2 Cache	384 KB	5 MB

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 x4
Length	241 mm	285 mm
Height	4.376" (11.1 cm)	no data
Width	2-slot	2-slot
Supplementary power connectors	2x 6-pin	2x 8-pin
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	GDDR6X
Maximum RAM amount	2 GB	10 GB
Memory bus width	192-bit GDDR5	320 Bit
Memory clock speed	6.0 GB/s	1188 MHz
Memory bandwidth	144.2 GB/s	760.3 GB/s
Shared memory	-	-
Resizable BAR	-	+

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.

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

API and SDK support

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

DirectX	12 (11_0)	12 Ultimate (12_2)
Shader Model	5.1	6.8
OpenGL	4.3	4.6
OpenCL	1.2	3.0
Vulkan	1.1.126	1.3
CUDA	+	8.6
DLSS	-	+

Synthetic benchmarks

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

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Pros & cons summary

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Recency	16 August 2012	28 July 2021
Maximum RAM amount	2 GB	10 GB
Chip lithography	28 nm	8 nm
Power consumption (TDP)	150 Watt	320 Watt