NVIDIA Tesla K40st vs AMD Radeon R9 M290X
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Jan 2014
Generation
Tesla
Gem System
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1502 MHz
1200 MHz
Base Clock
-
850 MHz
Boost Clock
-
900 MHz
Memory
Memory Size
12GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
153.6GB/s
Render Config
Shading Units
2880
1280
TMUs
240
80
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
34.50 GPixel/s
28.80 GPixel/s
Texture Rate
138.0 GTexel/s
72.00 GTexel/s
FP32 (float)
3.312 TFLOPS
2.304 TFLOPS
FP64 (double)
1104 GFLOPS
144.0 GFLOPS
Graphics Processor
GPU Name
GK110B
Neptune
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
2.8 billion
Die Size
561 mm²
212 mm²
GPU Variant
-
Neptune XT(216-0847000)
Board Design
TDP
245W
100W
Suggested PSU
550 W
-
Outputs
No outputs
Portable Device Dependent
Power Connectors
-
None
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1 (1.2)
Vulkan
1.1
1.2.170
CUDA
3.5
-
Shader Model
5.1
6.5 (5.1)