Radeon HD 7970 GHz Edition vs GeForce GTX 775M Mac Edition

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Primary details

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

Place in the ranking735not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.31no data
ArchitectureKepler (2012−2018)GCN 1.0 (2011−2020)
GPU code nameGK104Tahiti
Market segmentLaptopDesktop
Designno datareference
Release date8 November 2013 (11 years ago)22 June 2012 (12 years ago)
Launch price (MSRP)no data$499

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 cores13442048
Core clock speed797 MHzno data
Boost clock speedno data1050 MHz
Number of transistors3,540 million4,313 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)100 Watt250 Watt
Texture fill rate89.26134.4
Floating-point processing power2.142 TFLOPS4.301 TFLOPS
ROPs3232
TMUs112128

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).

Bus supportno dataPCIe 2.1 x16
InterfaceMXM-B (3.0)PCIe 3.0 x16
Lengthno data274 mm
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin + 1x 8-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 typeGDDR5GDDR5
Maximum RAM amount2 GB3 GB
Memory bus width256 Bit384 Bit
Memory clock speed1250 MHz1500 MHz
Memory bandwidth160.0 GB/s288 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 ConnectorsNo outputs1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity-+
HDMI-+

Supported technologies

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

CrossFire-+
FreeSync-+

API compatibility

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

DirectX12 (11_0)DirectX® 11
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.126-
CUDA3.0-

Pros & cons summary


Recency 8 November 2013 22 June 2012
Maximum RAM amount 2 GB 3 GB
Power consumption (TDP) 100 Watt 250 Watt

GTX 775M Mac Edition has an age advantage of 1 year, and 150% lower power consumption.

HD 7970 GHz Edition, on the other hand, has a 50% higher maximum VRAM amount.

We couldn't decide between GeForce GTX 775M Mac Edition and Radeon HD 7970 GHz Edition. We've got no test results to judge.

Be aware that GeForce GTX 775M Mac Edition is a notebook card while Radeon HD 7970 GHz Edition is a desktop one.


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

Vote for your favorite

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NVIDIA GeForce GTX 775M Mac Edition
GeForce GTX 775M Mac Edition
AMD Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition

Comparisons with similar GPUs

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Community ratings

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3.7 31 vote

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4 49 votes

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Questions & comments

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