GRID K540Q vs ATI Radeon Xpress X1250

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Architectureno dataKepler (2012−2018)
GPU code nameRS690MGK104
Market segmentLaptopWorkstation
Release date1 February 2007 (17 years ago)2 July 2014 (10 years ago)
Launch price (MSRP)no data$3,599

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 cores41536
Core clock speedno data745 MHz
Boost clock speed350 MHzno data
Number of transistorsno data3,540 million
Manufacturing process technology80 nm28 nm
Power consumption (TDP)no data225 Watt
Texture fill rateno data95.36
Floating-point processing powerno data2.289 TFLOPS
ROPsno data32
TMUsno data128

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).

Interfaceno dataPCIe 3.0 x16
Lengthno data267 mm
Widthno data2-slot

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 typeno dataGDDR5
Maximum RAM amount128 MB4 GB
Memory bus widthno data256 Bit
Memory clock speedno data1250 MHz
Memory bandwidthno data160.0 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 dataNo outputs

API compatibility

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

DirectXno data12 (11_0)
Shader Modelno data5.1
OpenGLno data4.6
OpenCLno data1.2
Vulkan-1.1.126
CUDA-3.0

Pros & cons summary


Recency 1 February 2007 2 July 2014
Maximum RAM amount 128 MB 4 GB
Chip lithography 80 nm 28 nm

GRID K540Q has an age advantage of 7 years, a 3100% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

We couldn't decide between Radeon Xpress X1250 and GRID K540Q. We've got no test results to judge.

Be aware that Radeon Xpress X1250 is a notebook card while GRID K540Q is a workstation 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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ATI Radeon Xpress X1250
Radeon Xpress X1250
NVIDIA GRID K540Q
GRID K540Q

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