Radeon X850 CrossFire Edition vs GeForce GT 630 Rev. 2

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureKepler 2.0 (2013−2015)R400 (2004−2008)
GPU code nameGK208R480
Market segmentDesktopDesktop
Release date29 May 2013 (11 years ago)10 September 2006 (17 years ago)
Current price$270 $248

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384no data
Core clock speed902 MHz520 MHz
Number of transistors915 million160 million
Manufacturing process technology28 nm130 nm
Power consumption (TDP)25 Wattno data
Texture fill rate28.868.320
Floating-point performance692.7 gflopsno 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).

InterfacePCIe 2.0 x8PCIe 1.0 x16
Length145 mmno data
Width1-slot2-slot
Supplementary power connectorsNone1x 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 typeDDR3GDDR3
Maximum RAM amount2 GB256 MB
Memory bus width64 Bit256 Bit
Memory clock speed1800 MHz1080 MHz
Memory bandwidth14.4 GB/s34.56 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 Connectors1x DVI, 1x HDMI, 1x VGA2x DVI
HDMI+no data

API compatibility

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

DirectX12 (11_0)9.0b (9_2)
Shader Model5.1no data
OpenGL4.62.0
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA3.5no data

Pros & cons summary


Recency 29 May 2013 10 September 2006
Maximum RAM amount 2 GB 256 MB
Chip lithography 28 nm 130 nm

We couldn't decide between GeForce GT 630 Rev. 2 and Radeon X850 CrossFire Edition. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GT 630 Rev. 2
GeForce GT 630 Rev. 2
ATI Radeon X850 CrossFire Edition
Radeon X850 CrossFire Edition

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Community ratings

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