Radeon Instinct MI25 vs Tesla K8

Primary details

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

Place in performance ranking430not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.17no data
ArchitectureKepler (2012−2018)GCN 5.0 (2017−2020)
GPU code nameGK104Vega 10
Market segmentWorkstationDesktop
Release date16 September 2014 (9 years ago)27 June 2017 (6 years ago)
Current price$249 $4374

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores15364096
Core clock speed693 MHz1400 MHz
Boost clock speed811 MHz1500 MHz
Number of transistors3,540 million12,500 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)100 Watt300 Watt
Texture fill rate103.8384.0
Floating-point performance2,491 gflops12,288 gflops

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 3.0 x16
Length241 mm267 mm
Width1-slot2-slot
Supplementary power connectors1x 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 typeGDDR5HBM2
Maximum RAM amount8 GB16 GB
Memory bus width256 Bit2048 Bit
Memory clock speed5000 MHz1704 MHz
Memory bandwidth160.0 GB/s436.2 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (11_0)12 (12_1)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.1.1261.1.125
CUDA3.0no data

Pros & cons summary


Recency 16 September 2014 27 June 2017
Maximum RAM amount 8 GB 16 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 100 Watt 300 Watt

We couldn't decide between Tesla K8 and Radeon Instinct MI25. We've got no test results to judge.

Be aware that Tesla K8 is a workstation graphics card while Radeon Instinct MI25 is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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.


NVIDIA Tesla K8
Tesla K8
AMD Radeon Instinct MI25
Radeon Instinct MI25

Comparisons with similar GPUs

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.


1 3 votes

Rate Tesla K8 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.7 12 votes

Rate Radeon Instinct MI25 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.