GeForce2 Go vs Radeon R9 285

Primary details

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

Place in the ranking	312	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.57	no data
Power efficiency	6.33	no data
Architecture	GCN 3.0 (2014−2019)	Celsius (1999−2005)
GPU code name	Tonga	NV11 B2
Market segment	Desktop	Laptop
Release date	2 September 2014 (10 years ago)	11 November 2000 (23 years ago)
Launch price (MSRP)	$249	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	1792	no data
Core clock speed	918 MHz	143 MHz
Number of transistors	5,000 million	20 million
Manufacturing process technology	28 nm	180 nm
Power consumption (TDP)	190 Watt	2 Watt
Texture fill rate	102.8	0.57
Floating-point processing power	3.29 TFLOPS	no data
ROPs	32	2
TMUs	112	4

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	AGP 4x
Length	221 mm	no data
Width	2-slot	no data
Supplementary power connectors	2x 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	DDR
Maximum RAM amount	2 GB	64 MB
Memory bus width	256 Bit	128 Bit
Memory clock speed	1375 MHz	166 MHz
Memory bandwidth	176.0 GB/s	5.312 GB/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 1.4a, 1x DisplayPort 1.2	No outputs
HDMI	+	-

API compatibility

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

DirectX	12 (12_0)	7.0
Shader Model	6.5	no data
OpenGL	4.6	1.2
OpenCL	2.1	N/A
Vulkan	1.2.170	N/A

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	2 September 2014	11 November 2000
Maximum RAM amount	2 GB	64 MB
Chip lithography	28 nm	180 nm
Power consumption (TDP)	190 Watt	2 Watt

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