GeForce GTX 745 OEM vs Radeon HD 6630M

Primary details

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

Place in the ranking924not rated
Place by popularitynot in top-100not in top-100
Power efficiency4.70no data
ArchitectureTeraScale 2 (2009−2015)Maxwell (2014−2017)
GPU code nameWhistlerGM107
Market segmentLaptopDesktop
Release date4 January 2011 (13 years ago)18 February 2014 (10 years ago)

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 cores480384
Core clock speed500 MHz1033 MHz
Number of transistors716 million1,870 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)26 Watt55 Watt
Texture fill rate12.0024.79
Floating-point processing power0.48 TFLOPS0.7933 TFLOPS
ROPs816
TMUs2424

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).

Laptop sizemedium sizedno data
InterfacePCIe 2.0 x16PCIe 3.0 x16
Lengthno data145 mm
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeDDR3DDR3
Maximum RAM amount1 GB4 GB
Memory bus width128 Bit128 Bit
Memory clock speed800 MHz900 MHz
Memory bandwidth25.6 GB/s28.8 GB/s
Shared memory-no data

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 ConnectorsNo outputs1x DVI, 1x HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX11.2 (11_0)12 (11_0)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.1.126
CUDA-5.0

Pros & cons summary


Recency 4 January 2011 18 February 2014
Maximum RAM amount 1 GB 4 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 26 Watt 55 Watt

HD 6630M has 111.5% lower power consumption.

GTX 745 OEM, on the other hand, has an age advantage of 3 years, a 300% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 6630M and GeForce GTX 745 OEM. We've got no test results to judge.

Be aware that Radeon HD 6630M is a notebook card while GeForce GTX 745 OEM is a desktop one.


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

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AMD Radeon HD 6630M
Radeon HD 6630M
NVIDIA GeForce GTX 745 OEM
GeForce GTX 745 OEM

Comparisons with similar GPUs

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Community ratings

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3.5 44 votes

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