A100 PCIe vs Radeon HD 6850 X2

Primary details

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

Place in the ranking566not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.80no data
ArchitectureTeraScale 2 (2009−2015)Ampere (2020−2024)
GPU code nameBartsGA100
Market segmentDesktopWorkstation
Release date19 September 2011 (13 years ago)22 June 2020 (4 years 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 cores9606912
Core clock speed800 MHz1410 MHz
Number of transistors1,700 million54,200 million
Manufacturing process technology40 nm7 nm
Power consumption (TDP)254 Watt250 Watt
Texture fill rate38.40609.1
Floating-point processing power1.536 TFLOPS19.49 TFLOPS
ROPs32160
TMUs48432
Tensor Coresno data432

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 data267 mm
Width2-slot2-slot
Supplementary power connectors2x 8-pin1x 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 typeGDDR5HBM2e
Maximum RAM amount2 GB40 GB
Memory bus width256 Bit5120 Bit
Memory clock speed1050 MHz1215 MHz
Memory bandwidth134.4 GB/s1,555 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 DisplayPortNo outputs
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
OpenCL1.22.0
VulkanN/A1.2
CUDA-8.0

Pros & cons summary


Recency 19 September 2011 22 June 2020
Maximum RAM amount 2 GB 40 GB
Chip lithography 40 nm 7 nm
Power consumption (TDP) 254 Watt 250 Watt

A100 PCIe has an age advantage of 8 years, a 1900% higher maximum VRAM amount, a 471.4% more advanced lithography process, and 1.6% lower power consumption.

We couldn't decide between Radeon HD 6850 X2 and A100 PCIe. We've got no test results to judge.

Be aware that Radeon HD 6850 X2 is a desktop card while A100 PCIe is a workstation 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 6850 X2
Radeon HD 6850 X2
NVIDIA A100 PCIe
A100 PCIe

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Community ratings

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3.6 9 votes

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3.5 31 vote

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