GPU Comparison
GEFORCE
NVIDIA Tesla K20m
CORE STATE
GK110
VRAM
5 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
320 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
TITAN X Pascal
CORE STATE
GP102
VRAM
12 GB
CLOCK SPEED
1531 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Tesla K20m
TITAN X Pascal
Core Specs
Shading Units
2,496
3,584
+43.6%
Shaders
2,496
3,584
+43.6%
TMUs
208
224
+7.7%
ROPs
40
96
+140.0%
SM Count
—
28
Clocks
Base Clock
—
1417 MHz
Boost Clock
—
1531 MHz
GPU Clock
706 MHz
—
Memory Clock
1300 MHz
5.2 Gbps effective
1251 MHz
10 Gbps effective
Memory
Memory Size
5 GB
12 GB
VRAM (MB)
5,120
12,288
+140.0%
Memory Type
GDDR5
GDDR5X
Memory Bus
320 bit
384 bit
Bandwidth
208.0 GB/s
480.4 GB/s
Cache
L1 Cache
16 KB (per SMX)
48 KB (per SM)
L2 Cache
1280 KB
3 MB
Performance
Pixel Rate
36.71 GPixel/s
147.0 GPixel/s
Texture Rate
146.8 GTexel/s
342.9 GTexel/s
FP32 (TFLOPS)
3.524 TFLOPS
10.97 TFLOPS
FP64 (TFLOPS)
1,174.8 GFLOPS (1:3)
342.9 GFLOPS (1:32)
FP16 (TFLOPS)
—
171.5 GFLOPS (1:64)
Power
TDP
225 W
250 W
TDP (W)
225
250
+11.1%
Suggested PSU
550 W
600 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
Kepler
Pascal
GPU Name
GK110
GP102
Generation
Tesla Kepler
(Kxx)
GeForce 10
Process Size
28 nm
16 nm
Transistors
7,080 million
11,800 million
Die Size
561 mm²
471 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
25.1M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.5
6.1
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
Height
—
112 mm
4.4 inches
Outputs
No outputs
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
3,199 USD
1,199 USD
Production
End-of-life
End-of-life
Predecessor
Tesla Fermi
GeForce 900
Successor
Tesla Maxwell
GeForce 20