Radeon RX 7950 XT vs HD 6790

Primary details

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

Place in the ranking684not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.86no data
Power efficiency1.92no data
ArchitectureTeraScale 2 (2009−2015)RDNA 3.0 (2022−2024)
GPU code nameBartsNavi 31
Market segmentDesktopDesktop
Release date4 April 2011 (13 years ago)no data
Launch price (MSRP)$149 no data

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 cores8005376
Core clock speed840 MHz2000 MHz
Boost clock speedno data3000 MHz
Number of transistors1,700 million57,700 million
Manufacturing process technology40 nm5 nm
Power consumption (TDP)150 Watt300 Watt
Texture fill rate33.601,008
Floating-point processing power1.344 TFLOPS64.51 TFLOPS
ROPs16192
TMUs40336
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 2.0 x16PCIe 4.0 x16
Length198 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 amount1 GB20 GB
Memory bus width256 Bit320 Bit
Memory clock speed1050 MHz2500 MHz
Memory bandwidth134.4 GB/s800.0 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 Connectors2x DVI, 1x HDMI, 1x 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.

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.22.2
VulkanN/A1.3

Pros & cons summary


Maximum RAM amount 1 GB 20 GB
Chip lithography 40 nm 5 nm
Power consumption (TDP) 150 Watt 300 Watt

HD 6790 has 100% lower power consumption.

RX 7950 XT, on the other hand, has a 1900% higher maximum VRAM amount, and a 700% more advanced lithography process.

We couldn't decide between Radeon HD 6790 and Radeon RX 7950 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 6790
Radeon HD 6790
AMD Radeon RX 7950 XT
Radeon RX 7950 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.


4 153 votes

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3.3 49 votes

Rate Radeon RX 7950 XT on a scale of 1 to 5:

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Questions & comments

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