T550 Mobile vs Radeon HD 7970 X2

Primary details

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

Place in the rankingnot rated394
Place by popularitynot in top-100not in top-100
Power efficiencyno data37.62
ArchitectureGCN 1.0 (2011−2020)Turing (2018−2022)
GPU code nameNew ZealandTU117
Market segmentDesktopMobile workstation
Release date31 August 2012 (12 years ago)May 2022 (2 years ago)
Launch price (MSRP)$899 no data

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 cores20481024
Core clock speed925 MHz1065 MHz
Boost clock speedno data1665 MHz
Number of transistors4,313 million4,700 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)500 Watt23 Watt
Texture fill rate118.4106.6
Floating-point processing power3.789 TFLOPS3.41 TFLOPS
ROPs3232
TMUs12864

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 sizeno datamedium sized
InterfacePCIe 3.0 x16PCIe 3.0 x16
Length292 mmno data
Width2-slotno data
Supplementary power connectors3x 8-pinno data

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 typeGDDR5GDDR6
Maximum RAM amount3 GB4 GB
Memory bus width384 Bit64 Bit
Memory clock speed1375 MHz1500 MHz
Memory bandwidth264.0 GB/s96 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 Connectors1x DVI, 4x mini-DisplayPortNo outputs

API compatibility

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

DirectX12 (11_1)12 (12_1)
Shader Model5.16.6
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.2.1311.3
CUDA-7.5

Pros & cons summary


Maximum RAM amount 3 GB 4 GB
Chip lithography 28 nm 12 nm
Power consumption (TDP) 500 Watt 23 Watt

T550 Mobile has a 33.3% higher maximum VRAM amount, a 133.3% more advanced lithography process, and 2073.9% lower power consumption.

We couldn't decide between Radeon HD 7970 X2 and T550 Mobile. We've got no test results to judge.

Be aware that Radeon HD 7970 X2 is a desktop card while T550 Mobile is a mobile 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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AMD Radeon HD 7970 X2
Radeon HD 7970 X2
NVIDIA T550 Mobile
T550 Mobile

Comparisons with similar GPUs

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Community ratings

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4.6 8 votes

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3 25 votes

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Questions & comments

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