Radeon RX 6950 XT vs HD 6990M Rebrand

Primary details

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

Place in the rankingnot rated15
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data27.11
Power efficiencyno data15.06
ArchitectureTeraScale 2 (2009−2015)RDNA 2.0 (2020−2024)
GPU code nameBroadwayNavi 21
Market segmentLaptopDesktop
Release date12 July 2011 (13 years ago)10 May 2022 (2 years ago)
Launch price (MSRP)no data$1,099

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 cores8005120
Core clock speed800 MHz1925 MHz
Boost clock speedno data2324 MHz
Number of transistors1,040 million26,800 million
Manufacturing process technology40 nm7 nm
Power consumption (TDP)100 Watt335 Watt
Texture fill rate32.00743.7
Floating-point processing power1.28 TFLOPS23.8 TFLOPS
ROPs16128
TMUs40320
Ray Tracing Coresno data80

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).

InterfaceMXM-B (3.0)PCIe 4.0 x16
Lengthno data267 mm
Widthno data3-slot
Supplementary power connectorsno data2x 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 GB16 GB
Memory bus width128 Bit256 Bit
Memory clock speed1100 MHz2250 MHz
Memory bandwidth70.4 GB/s576.0 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 outputs1x HDMI 2.1, 2x DisplayPort 1.4a
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 Model5.06.5
OpenGL4.44.6
OpenCL1.22.1
VulkanN/A1.3

Pros & cons summary


Recency 12 July 2011 10 May 2022
Maximum RAM amount 1 GB 16 GB
Chip lithography 40 nm 7 nm
Power consumption (TDP) 100 Watt 335 Watt

HD 6990M Rebrand has 235% lower power consumption.

RX 6950 XT, on the other hand, has an age advantage of 10 years, a 1500% higher maximum VRAM amount, and a 471.4% more advanced lithography process.

We couldn't decide between Radeon HD 6990M Rebrand and Radeon RX 6950 XT. We've got no test results to judge.

Be aware that Radeon HD 6990M Rebrand is a notebook card while Radeon RX 6950 XT is a desktop 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 6990M Rebrand
Radeon HD 6990M Rebrand
AMD Radeon RX 6950 XT
Radeon RX 6950 XT

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Community ratings

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