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
Tesla M2090
CORE STATE
GF110
VRAM
6 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Tesla K20m
Tesla M2090
Core Specs
Shading Units
2,496
512
-79.5%
Shaders
2,496
512
-79.5%
TMUs
208
64
-69.2%
ROPs
40
48
+20.0%
SM Count
—
16
Clocks
GPU Clock
706 MHz
651 MHz
Shader Clock
—
1301 MHz
Memory Clock
1300 MHz
5.2 Gbps effective
924 MHz
3.7 Gbps effective
Memory
Memory Size
5 GB
6 GB
VRAM (MB)
5,120
6,144
+20.0%
Memory Type
GDDR5
GDDR5
Memory Bus
320 bit
384 bit
Bandwidth
208.0 GB/s
177.4 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
1280 KB
768 KB
Performance
Pixel Rate
36.71 GPixel/s
20.83 GPixel/s
Texture Rate
146.8 GTexel/s
41.66 GTexel/s
FP32 (TFLOPS)
3.524 TFLOPS
1,332.2 GFLOPS
FP64 (TFLOPS)
1,174.8 GFLOPS (1:3)
666.1 GFLOPS (1:2)
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
Fermi 2.0
GPU Name
GK110
GF110
Generation
Tesla Kepler
(Kxx)
Tesla Fermi
(x20xx)
Process Size
28 nm
40 nm
Transistors
7,080 million
3,000 million
Die Size
561 mm²
520 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
5.8M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
—
OpenCL
3.0
1.1
CUDA
3.5
2.0
Shader Model
6.5 (5.1)
5.1
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
248 mm
9.8 inches
Outputs
No outputs
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Other
Launch Price
3,199 USD
—
Production
End-of-life
End-of-life
Predecessor
Tesla Fermi
Tesla
Successor
Tesla Maxwell
Tesla Kepler