GPU Comparison
GEFORCE
NVIDIA Tesla C2070
CORE STATE
GF100
VRAM
6 GB
CLOCK SPEED
—
TDP
238 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2011
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 C2070
Tesla K80
Core Specs
Shading Units
448
2,496
+457.1%
Shaders
448
2,496
+457.1%
TMUs
56
208
+271.4%
ROPs
48
48
0.0%
SM Count
14
—
Clocks
Base Clock
—
562 MHz
Boost Clock
—
824 MHz
GPU Clock
574 MHz
—
Shader Clock
1147 MHz
—
Memory Clock
747 MHz
3 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
6 GB
12 GB
VRAM (MB)
6,144
12,288
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
384 bit
Bandwidth
143.4 GB/s
240.6 GB/s
Cache
L1 Cache
64 KB (per SM)
16 KB (per SMX)
L2 Cache
768 KB
1536 KB
Performance
Pixel Rate
16.07 GPixel/s
42.85 GPixel/s
Texture Rate
32.14 GTexel/s
171.4 GTexel/s
FP32 (TFLOPS)
1,027.7 GFLOPS
4.113 TFLOPS
FP64 (TFLOPS)
513.9 GFLOPS (1:2)
1,371.1 GFLOPS (1:3)
Power
TDP
238 W
300 W
TDP (W)
238
300
+26.1%
Suggested PSU
550 W
700 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Architecture
Architecture
Fermi
Kepler 2.0
GPU Name
GF100
GK210
Generation
Tesla Fermi
(x20xx)
Tesla Kepler
(Kxx)
Process Size
40 nm
28 nm
Transistors
3,100 million
7,100 million
Die Size
529 mm²
561 mm²
Foundry
TSMC
TSMC
Density
5.9M / mm²
12.7M / mm²
API Support
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
—
1.2.175
OpenCL
1.1
3.0
CUDA
2.0
3.7
Shader Model
5.1
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
248 mm
9.8 inches
267 mm
10.5 inches
Outputs
1x DVI
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Tesla
Tesla Fermi
Successor
Tesla Kepler
Tesla Maxwell