Radeon RX 6900 XTX vs HD 6950

Primary details

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

Place in the ranking559not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.04no data
Power efficiency2.36no data
ArchitectureTeraScale 3 (2010−2013)RDNA 2.0 (2020−2024)
GPU code nameCaymanNavi 21
Market segmentDesktopDesktop
Designreferenceno data
Release date14 December 2010 (13 years ago)28 October 2020 (4 years ago)
Launch price (MSRP)$299 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 cores14085120
Core clock speedno data2075 MHz
Boost clock speed800 MHz2435 MHz
Number of transistors2,640 million26,800 million
Manufacturing process technology40 nm7 nm
Power consumption (TDP)500 Watt330 Watt
Texture fill rate70.40779.2
Floating-point processing power2.253 TFLOPS24.93 TFLOPS
ROPs32128
TMUs88320
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).

Bus supportPCIe 2.0 x16no data
InterfacePCIe 2.0 x16PCIe 4.0 x16
Length267 mm267 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 amount2 GB16 GB
Memory bus width256 Bit256 Bit
Memory clock speed1250 MHz2250 MHz
Memory bandwidthno data576.0 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, 2x mini-DisplayPort1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
Eyefinity+-
HDMI++

Supported technologies

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

CrossFire+-

API compatibility

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

DirectXDirectX® 1112 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.22.1
Vulkan-1.3

Pros & cons summary


Recency 14 December 2010 28 October 2020
Maximum RAM amount 2 GB 16 GB
Chip lithography 40 nm 7 nm
Power consumption (TDP) 500 Watt 330 Watt

RX 6900 XTX has an age advantage of 9 years, a 700% higher maximum VRAM amount, a 471.4% more advanced lithography process, and 51.5% lower power consumption.

We couldn't decide between Radeon HD 6950 and Radeon RX 6900 XTX. 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 6950
Radeon HD 6950
AMD Radeon RX 6900 XTX
Radeon RX 6900 XTX

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Community ratings

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Questions & comments

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