GPU Comparison
GEFORCE
NVIDIA Tesla K40m
CORE STATE
GK110B
VRAM
12 GB
CLOCK SPEED
876 MHz
TDP
245 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Tesla K80
CORE STATE
GK210
VRAM
12 GB
CLOCK SPEED
824 MHz
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler 2.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Tesla K40m
Tesla K80
Core Specs
Shading Units
2,880
2,496
-13.3%
Shaders
2,880
2,496
-13.3%
TMUs
240
208
-13.3%
ROPs
48
48
0.0%
Clocks
Base Clock
745 MHz
562 MHz
Boost Clock
876 MHz
824 MHz
Memory Clock
1502 MHz
6 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
12 GB
12 GB
VRAM (MB)
12,288
12,288
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
384 bit
Bandwidth
288.4 GB/s
240.6 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
1536 KB
1536 KB
Performance
Pixel Rate
52.56 GPixel/s
42.85 GPixel/s
Texture Rate
210.2 GTexel/s
171.4 GTexel/s
FP32 (TFLOPS)
5.046 TFLOPS
4.113 TFLOPS
FP64 (TFLOPS)
1.682 TFLOPS (1:3)
1,371.1 GFLOPS (1:3)
Power
TDP
245 W
300 W
TDP (W)
245
300
+22.4%
Suggested PSU
550 W
700 W
Power Connectors
—
1x 8-pin
Architecture
Architecture
Kepler
Kepler 2.0
GPU Name
GK110B
GK210
Generation
Tesla Kepler
(Kxx)
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
7,080 million
7,100 million
Die Size
561 mm²
561 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
12.7M / mm²
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.2.175
OpenCL
3.0
3.0
CUDA
3.5
3.7
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
267 mm
10.5 inches
Outputs
No outputs
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
7,699 USD
—
Production
End-of-life
End-of-life
Predecessor
Tesla Fermi
Tesla Fermi
Successor
Tesla Maxwell
Tesla Maxwell