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 K20Xm
CORE STATE
GK110
VRAM
6 GB
CLOCK SPEED
—
TDP
235 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
Tesla C2070
Tesla K20Xm
Core Specs
Shading Units
448
2,688
+500.0%
Shaders
448
2,688
+500.0%
TMUs
56
224
+300.0%
ROPs
48
48
0.0%
SM Count
14
—
Clocks
GPU Clock
574 MHz
732 MHz
Shader Clock
1147 MHz
—
Memory Clock
747 MHz
3 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
6 GB
6 GB
VRAM (MB)
6,144
6,144
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
384 bit
Bandwidth
143.4 GB/s
249.6 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
40.99 GPixel/s
Texture Rate
32.14 GTexel/s
164.0 GTexel/s
FP32 (TFLOPS)
1,027.7 GFLOPS
3.935 TFLOPS
FP64 (TFLOPS)
513.9 GFLOPS (1:2)
1,311.7 GFLOPS (1:3)
Power
TDP
238 W
235 W
TDP (W)
238
235
-1.3%
Suggested PSU
550 W
550 W
Power Connectors
1x 6-pin + 1x 8-pin
—
Architecture
Architecture
Fermi
Kepler
GPU Name
GF100
GK110
Generation
Tesla Fermi
(x20xx)
Tesla Kepler
(Kxx)
Process Size
40 nm
28 nm
Transistors
3,100 million
7,080 million
Die Size
529 mm²
561 mm²
Foundry
TSMC
TSMC
Density
5.9M / mm²
12.6M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
—
1.2.175
OpenCL
1.1
3.0
CUDA
2.0
3.5
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
Launch Price
—
7,699 USD
Production
End-of-life
End-of-life
Predecessor
Tesla
Tesla Fermi
Successor
Tesla Kepler
Tesla Maxwell