AMD Radeon HD 8400 vs NVIDIA Tesla K20m

AMD Radeon HD 8400
NVIDIA Tesla K20m

General info

Comparison of Radeon HD 8400 and Tesla K20m architecture, market type and release date.
Place in performance rating
 
not rated
Architecture
GCN
 
Kepler
Code name
Kabini
 
GK110
Type
Laptop
 
Workstation
Release date
23 May 2013
 
5 January 2013
Launch price (MSRP)
n/d
 
$3,199

Technical specs

Radeon HD 8400 and Tesla K20m's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 8400 and Tesla K20m's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
128
 
2496
Core clock speed
600 MHz
 
706 MHz
Transistor count
n/d
 
7,080 million
Manufacturing process technology
28 nm
 
28 nm
Power consumption (TDP)
n/d
 
225 Watt
Texture fill rate
n/d
 
146.8 GTexel / s
Floating-point performance
n/d
 
3,524 gflops

Compatibility, dimensions and requirements

Information on Radeon HD 8400 and Tesla K20m compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
Interface
n/d
 
PCIe 2.0 x16
Length
n/d
 
267 mm
Supplementary power connectors
n/d
 
1x 6-pin + 1x 8-pin

Memory

Parameters of memory installed on Radeon HD 8400 and Tesla K20m: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
n/d
 
GDDR5
Maximum RAM amount
n/d
 
5 GB
Memory bus width
n/d
 
320 Bit
Memory clock speed
n/d
 
5200 MHz
Memory bandwidth
n/d
 
208.0 GB / s
Shared memory
+
 
n/d

Video outputs and ports

Types and number of video connectors present on Radeon HD 8400 and Tesla K20m.
Display Connectors
n/d
 
No outputs

API support

APIs supported by Radeon HD 8400 and Tesla K20m, sometimes including their particular versions.
DirectX
DirectX 11.1, Shader 5.0
 
12.0 (11_0)
OpenGL
n/d
 
4.6

Rendering quality tests

GFXBench render quality
4502 −0.9%
 
4541 +0.9%
GFXBench high precision render quality
4502 −0.9%
 
4541 +0.9%

Advantages of AMD Radeon HD 8400

Somewhat newer (23 May 2013 vs 5 January 2013)

Advantages of NVIDIA Tesla K20m

More pipelines (2496 vs 128)

So, HD 8400 or Tesla K20m?

Technical City couldn't decide between AMD Radeon HD 8400 and NVIDIA Tesla K20m. We've got no test results to judge.
Be aware that Radeon HD 8400 is a notebook card while Tesla K20m is a workstation one.
Should you still have questions on choice between Radeon HD 8400 and Tesla K20m, ask them in Comments section, and we shall answer.

Cast your vote

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favourite video card.
AMD Radeon HD 8400
NVIDIA Tesla K20m
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Advices and comments

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