NVIDIA Tesla P4 vs NVIDIA Tesla K8
GPU Specs Compare
Graphics Card
Release Date
Sep 2016
Sep 2014
Generation
Tesla
Tesla
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
886 MHz
693 MHz
Boost Clock
1114 MHz
811 MHz
Memory Clock
1502 MHz
1250 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
192.3GB/s
160.0GB/s
Render Config
SM Count
20
-
Shading Units
2560
1536
TMUs
160
128
ROPs
64
32
L1 Cache
48 KB (per SM)
16 KB (per SMX)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
71.30 GPixel/s
25.95 GPixel/s
Texture Rate
178.2 GTexel/s
103.8 GTexel/s
FP16 (half)
89.12 GFLOPS
-
FP32 (float)
5.704 TFLOPS
2.491 TFLOPS
FP64 (double)
178.2 GFLOPS
103.8 GFLOPS
Graphics Processor
GPU Name
GP104
GK104
GPU Variant
GP104-895-A1
-
Architecture
Pascal
Kepler
Foundry
TSMC
TSMC
Process Size
16 nm
28 nm
Transistors
7.2 billion
3.54 billion
Die Size
314 mm²
294 mm²
Board Design
TDP
75W
100W
Suggested PSU
250 W
300 W
Outputs
No outputs
No outputs
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
6.1
3.0
Shader Model
6.4
5.1