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 M40
CORE STATE
GM200
VRAM
12 GB
CLOCK SPEED
1112 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Tesla K40m
Tesla M40
Core Specs
Shading Units
2,880
3,072
+6.7%
Shaders
2,880
3,072
+6.7%
TMUs
240
192
-20.0%
ROPs
48
96
+100.0%
Clocks
Base Clock
745 MHz
948 MHz
Boost Clock
876 MHz
1112 MHz
Memory Clock
1502 MHz
6 Gbps effective
1502 MHz
6 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
288.4 GB/s
Cache
L1 Cache
16 KB (per SMX)
48 KB (per SMM)
L2 Cache
1536 KB
3 MB
Performance
Pixel Rate
52.56 GPixel/s
106.8 GPixel/s
Texture Rate
210.2 GTexel/s
213.5 GTexel/s
FP32 (TFLOPS)
5.046 TFLOPS
6.832 TFLOPS
FP64 (TFLOPS)
1.682 TFLOPS (1:3)
213.5 GFLOPS (1:32)
Power
TDP
245 W
250 W
TDP (W)
245
250
+2.0%
Suggested PSU
550 W
600 W
Power Connectors
—
8-pin EPS
Architecture
Architecture
Kepler
Maxwell 2.0
GPU Name
GK110B
GM200
Generation
Tesla Kepler
(Kxx)
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
7,080 million
8,000 million
Die Size
561 mm²
601 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
13.3M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.5
5.2
Shader Model
6.5 (5.1)
6.8
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 Kepler
Successor
Tesla Maxwell
Tesla Pascal