ATI Radeon X850 XT vs GeForce GTX 1660 Super

Primary details

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

Place in the ranking	160	not rated
Place by popularity	8	not in top-100
Cost-effectiveness evaluation	59.06	no data
Power efficiency	18.38	no data
Architecture	Turing (2018−2022)	R400 (2004−2008)
GPU code name	TU116	R480
Market segment	Desktop	Desktop
Release date	29 October 2019 (5 years ago)	1 December 2004 (19 years ago)
Launch price (MSRP)	$229	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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	1408	no data
Core clock speed	1530 MHz	520 MHz
Boost clock speed	1785 MHz	no data
Number of transistors	6,600 million	160 million
Manufacturing process technology	12 nm	130 nm
Power consumption (TDP)	125 Watt	69 Watt
Texture fill rate	157.1	8.320
Floating-point processing power	5.027 TFLOPS	no data
ROPs	48	16
TMUs	88	16

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	PCIe 1.0 x16
Length	229 mm	no data
Width	2-slot	2-slot
Supplementary power connectors	1x 8-pin	1x 6-pin

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	GDDR6	GDDR3
Maximum RAM amount	6 GB	256 MB
Memory bus width	192 Bit	256 Bit
Memory clock speed	1750 MHz	540 MHz
Memory bandwidth	336.0 GB/s	34.56 GB/s
Shared memory	-	-

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	1x DVI, 1x HDMI, 1x DisplayPort	2x DVI, 1x S-Video
HDMI	+	-
HDCP	+	-
G-SYNC support	+	-

Supported technologies

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

NVENC	+	-
Ansel	+	-

API compatibility

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

DirectX	12 (12_1)	9.0b (9_2)
Shader Model	6.5	no data
OpenGL	4.6	2.0
OpenCL	1.2	N/A
Vulkan	1.2.131	N/A
CUDA	7.5	-

Synthetic benchmark performance

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	29 October 2019	1 December 2004
Maximum RAM amount	6 GB	256 MB
Chip lithography	12 nm	130 nm
Power consumption (TDP)	125 Watt	69 Watt

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