Radeon HD 6630M Mac Edition vs GeForce 9800 GTX

Primary details

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

Place in the ranking	894	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.10	no data
Power efficiency	0.99	no data
Architecture	Tesla (2006−2010)	TeraScale 2 (2009−2015)
GPU code name	G92	Whistler
Market segment	Desktop	Laptop
Release date	28 March 2008 (16 years ago)	4 January 2011 (13 years ago)
Launch price (MSRP)	$299	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	128	480
Core clock speed	675 MHz	500 MHz
Number of transistors	754 million	716 million
Manufacturing process technology	65 nm	40 nm
Power consumption (TDP)	140 Watt	26 Watt
Maximum GPU temperature	105 °C	no data
Texture fill rate	43.20	12.00
Floating-point processing power	0.4321 TFLOPS	0.48 TFLOPS
ROPs	16	8
TMUs	64	24

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-E 2.0	no data
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	267 mm	no data
Height	4.376" (11.1 cm)	no data
Width	2-slot	no data
Supplementary power connectors	2x 6-pin	no data
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	GDDR3	GDDR5
Maximum RAM amount	512 MB	256 MB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1100 MHz	600 MHz
Memory bandwidth	70.4 GB/s	19.2 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	HDTVDual Link DVI	No outputs
Multi monitor support	+	no data
HDMI	Via Adapter	-
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	S/PDIF	no data

API compatibility

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

DirectX	11.1 (10_0)	11.2 (11_0)
Shader Model	4.0	5.0
OpenGL	2.1	4.4
OpenCL	1.1	1.2
Vulkan	N/A	N/A
CUDA	+	-

Pros & cons summary

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Recency	28 March 2008	4 January 2011
Maximum RAM amount	512 MB	256 MB
Chip lithography	65 nm	40 nm
Power consumption (TDP)	140 Watt	26 Watt

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