NVIDIA GeForce GTX 980 vs NVIDIA Tesla K40c
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Oct 2013
Generation
GeForce 900
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1127 MHz
745 MHz
Boost Clock
1216 MHz
876 MHz
Memory Clock
1753 MHz
1502 MHz
Memory
Memory Size
4GB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
224.4GB/s
288.4GB/s
Render Config
Shading Units
2048
2880
TMUs
128
240
ROPs
64
48
L1 Cache
48 KB (per SMM)
16 KB (per SMX)
L2 Cache
2 MB
1536 KB
Theoretical Performance
Pixel Rate
77.82 GPixel/s
52.56 GPixel/s
Texture Rate
155.6 GTexel/s
210.2 GTexel/s
FP32 (float)
4.981 TFLOPS
5.046 TFLOPS
FP64 (double)
155.6 GFLOPS
1.682 TFLOPS
Graphics Processor
GPU Name
GM204
GK180
GPU Variant
GM204-400-A1
GK180-890-A1
Architecture
Maxwell 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5.2 billion
7.08 billion
Die Size
398 mm²
561 mm²
Board Design
TDP
165W
245W
Suggested PSU
450 W
550 W
Outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
No outputs
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-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
5.2
3.5
Shader Model
6.4
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.