GeForce GT 745M vs ATI Mobility Radeon HD 3850 X2

Primary details

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

Place in the rankingnot rated791
Place by popularitynot in top-100not in top-100
Power efficiencyno data4.35
ArchitectureTeraScale (2005−2013)Kepler (2012−2018)
GPU code nameM88GK107
Market segmentLaptopLaptop
Release date4 June 2008 (16 years ago)1 April 2013 (11 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 cores320384
Core clock speed580 MHz549 MHz
Number of transistors666 million1,270 million
Manufacturing process technology55 nm28 nm
Power consumption (TDP)70 Watt45 Watt
Texture fill rate9.28017.57
Floating-point processing power0.3712 TFLOPS0.4216 TFLOPS
ROPs1616
TMUs1632

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 sizelargemedium sized
Bus supportno dataPCI Express 3.0
InterfacePCIe 2.0 x16PCIe 3.0 x16

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 typeGDDR3GDDR5
Maximum RAM amount512 MB2 GB
Standard memory configurationno dataDDR3/GDDR5
Memory bus width256 Bit128 Bit
Memory clock speed750 MHz1000 MHz
Memory bandwidth48 GB/s64 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 ConnectorsNo outputsNo outputs
eDP 1.2 signal supportno dataUp to 3840x2160
LVDS signal supportno dataUp to 1920x1200
VGA аnalog display supportno dataUp to 2048x1536
DisplayPort Multimode (DP++) supportno dataUp to 3840x2160
HDMI-+
HDCP content protection-+
7.1 channel HD audio on HDMI-+
TrueHD and DTS-HD audio bitstreaming-+

Supported technologies

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

Blu-Ray 3D Support-+
H.264, VC1, MPEG2 1080p video decoder-+
Optimus-+
3D Vision / 3DTV Play-+

API compatibility

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

DirectX10.1 (10_1)12 API
Shader Model4.15.1
OpenGL3.34.5
OpenCLN/A1.1
VulkanN/A1.1.126
CUDA-+

Pros & cons summary


Recency 4 June 2008 1 April 2013
Maximum RAM amount 512 MB 2 GB
Chip lithography 55 nm 28 nm
Power consumption (TDP) 70 Watt 45 Watt

GT 745M has an age advantage of 4 years, a 300% higher maximum VRAM amount, a 96.4% more advanced lithography process, and 55.6% lower power consumption.

We couldn't decide between Mobility Radeon HD 3850 X2 and GeForce GT 745M. 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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ATI Mobility Radeon HD 3850 X2
Mobility Radeon HD 3850 X2
NVIDIA GeForce GT 745M
GeForce GT 745M

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Community ratings

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4 83 votes

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