GeForce RTX 4090 Ti vs Radeon HD 6850 X2

Primary details

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

Place in the ranking568not rated
Place by popularitynot in top-10067
Power efficiency1.78no data
ArchitectureTeraScale 2 (2009−2015)Ada Lovelace (2022−2024)
GPU code nameBartsAD102
Market segmentDesktopDesktop
Release date19 September 2011 (13 years ago)2023 (1 year ago)

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 cores96018176
Core clock speed800 MHz2325 MHz
Boost clock speedno data2565 MHz
Number of transistors1,700 million76,300 million
Manufacturing process technology40 nm5 nm
Power consumption (TDP)254 Watt600 Watt
Texture fill rate38.401,457
Floating-point processing power1.536 TFLOPS93.24 TFLOPS
ROPs32192
TMUs48568
Tensor Coresno data568
Ray Tracing Coresno data142

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
Lengthno data336 mm
Width2-slot3-slot
Supplementary power connectors2x 8-pin2x 16-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 typeGDDR5GDDR6X
Maximum RAM amount2 GB24 GB
Memory bus width256 Bit384 Bit
Memory clock speed1050 MHz1500 MHz
Memory bandwidth134.4 GB/s1.15 TB/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 2.1, 3x 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 Model5.06.7
OpenGL4.44.6
OpenCL1.23.0
VulkanN/A1.3
CUDA-8.9

Pros & cons summary


Maximum RAM amount 2 GB 24 GB
Chip lithography 40 nm 5 nm
Power consumption (TDP) 254 Watt 600 Watt

HD 6850 X2 has 136.2% lower power consumption.

RTX 4090 Ti, on the other hand, has a 1100% higher maximum VRAM amount, and a 700% more advanced lithography process.

We couldn't decide between Radeon HD 6850 X2 and GeForce RTX 4090 Ti. 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 6850 X2
Radeon HD 6850 X2
NVIDIA GeForce RTX 4090 Ti
GeForce RTX 4090 Ti

Comparisons with similar GPUs

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Community ratings

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3.6 9 votes

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3.5 3330 votes

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