Tesla K20Xm vs Radeon HD 6850

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Aggregate performance score

We've compared Radeon HD 6850 with Tesla K20Xm, including specs and performance data.

HD 6850
2010
1 GB GDDR5, 127 Watt
4.39

K20Xm outperforms HD 6850 by a whopping 127% based on our aggregate benchmark results.

Primary details

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

Place in the ranking688471
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.850.10
Power efficiency2.803.43
ArchitectureTeraScale 2 (2009−2015)Kepler (2012−2018)
GPU code nameBartsGK110
Market segmentDesktopWorkstation
Designreferenceno data
Release date21 October 2010 (14 years ago)12 November 2012 (12 years ago)
Launch price (MSRP)$179 $7,699

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

HD 6850 has 750% better value for money than Tesla K20Xm.

Performance to price scatter graph

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 cores9602688
Core clock speedno data732 MHz
Number of transistors1,700 million7,080 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)127 Watt235 Watt
Texture fill rate37.20164.0
Floating-point processing power1.488 TFLOPS3.935 TFLOPS
ROPs3248
TMUs48224
L1 Cache192 KB224 KB
L2 Cache512 KB1536 KB

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 supportAGPno data
InterfacePCIe 2.0 x16PCIe 3.0 x16
Length198 mm267 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pinno data

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 typeGDDR5GDDR5
Maximum RAM amount1 GB6 GB
Memory bus width256 Bit384 Bit
Memory clock speedno data1300 MHz
Memory bandwidth128.0 GB/s249.6 GB/s

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors2x DVI, 1x HDMI, 2x mini-DisplayPortNo outputs
Eyefinity+-
HDMI+-

Supported technologies

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

CrossFire+-

API and SDK support

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

DirectXDirectX® 1112 (11_0)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
Vulkan-1.1.126
CUDA-3.5

Synthetic benchmarks

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score.

HD 6850 4.39
Tesla K20Xm 9.96
+127%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

HD 6850 1941
Samples: 6848
Tesla K20Xm 4403
+127%
Samples: 3

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 4.39 9.96
Recency 21 October 2010 12 November 2012
Maximum RAM amount 1 GB 6 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 127 Watt 235 Watt

HD 6850 has 85% lower power consumption.

Tesla K20Xm, on the other hand, has a 126.9% higher aggregate performance score, an age advantage of 2 years, a 500% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

The Tesla K20Xm is our recommended choice as it beats the Radeon HD 6850 in performance tests.

Be aware that Radeon HD 6850 is a desktop graphics card while Tesla K20Xm is a workstation one.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 6850
Radeon HD 6850
NVIDIA Tesla K20Xm
Tesla K20Xm

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


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