Radeon RX 7900 XT vs HD 7950 Mac Edition

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Primary details

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

Place in the rankingnot rated13
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data37.48
Power efficiencyno data17.97
ArchitectureGCN 1.0 (2011−2020)RDNA 3.0 (2022−2024)
GPU code nameTahitiNavi 31
Market segmentDesktopDesktop
Release date7 March 2013 (11 years ago)3 November 2022 (1 year ago)
Launch price (MSRP)$449 $899

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores17925376
Core clock speed800 MHz1387 MHz
Boost clock speedno data2394 MHz
Number of transistors4,313 million57,700 million
Manufacturing process technology28 nm5 nm
Power consumption (TDP)200 Watt300 Watt
Texture fill rate89.60804.4
Floating-point processing power2.867 TFLOPS51.48 TFLOPS
ROPs32192
TMUs112336
Ray Tracing Coresno data84

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).

InterfacePCIe 3.0 x16PCIe 4.0 x16
Length279 mm276 mm
Width2-slot2-slot
Supplementary power connectors2x 6-pin2x 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 typeGDDR5GDDR6
Maximum RAM amount3 GB20 GB
Memory bus width384 Bit320 Bit
Memory clock speed1250 MHz2500 MHz
Memory bandwidth240.0 GB/s800.0 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 Connectors1x DVI, 1x HDMI, 2x mini-DisplayPort1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI++

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.22.2
Vulkan1.2.1311.3

Pros & cons summary


Recency 7 March 2013 3 November 2022
Maximum RAM amount 3 GB 20 GB
Chip lithography 28 nm 5 nm
Power consumption (TDP) 200 Watt 300 Watt

HD 7950 Mac Edition has 50% lower power consumption.

RX 7900 XT, on the other hand, has an age advantage of 9 years, a 566.7% higher maximum VRAM amount, and a 460% more advanced lithography process.

We couldn't decide between Radeon HD 7950 Mac Edition and Radeon RX 7900 XT. 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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AMD Radeon HD 7950 Mac Edition
Radeon HD 7950 Mac Edition
AMD Radeon RX 7900 XT
Radeon RX 7900 XT

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.8 21 vote

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4.2 1660 votes

Rate Radeon RX 7900 XT on a scale of 1 to 5:

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Questions & comments

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