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 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
DETAILED SPECIFICATIONS
SPECIFICATION
Tesla K40m
Tesla M2090
Core Specs
Shading Units
2,880
512
-82.2%
Shaders
2,880
512
-82.2%
TMUs
240
64
-73.3%
ROPs
48
48
0.0%
SM Count
—
16
Clocks
Base Clock
745 MHz
—
Boost Clock
876 MHz
—
GPU Clock
—
651 MHz
Shader Clock
—
1301 MHz
Memory Clock
1502 MHz
6 Gbps effective
924 MHz
3.7 Gbps effective
Memory
Memory Size
12 GB
6 GB
VRAM (MB)
12,288
6,144
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
384 bit
Bandwidth
288.4 GB/s
177.4 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
1536 KB
768 KB
Performance
Pixel Rate
52.56 GPixel/s
20.83 GPixel/s
Texture Rate
210.2 GTexel/s
41.66 GTexel/s
FP32 (TFLOPS)
5.046 TFLOPS
1,332.2 GFLOPS
FP64 (TFLOPS)
1.682 TFLOPS (1:3)
666.1 GFLOPS (1:2)
Power
TDP
245 W
250 W
TDP (W)
245
250
+2.0%
Suggested PSU
550 W
600 W
Power Connectors
—
1x 6-pin + 1x 8-pin
Architecture
Architecture
Kepler
Fermi 2.0
GPU Name
GK110B
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_1)
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 3.0 x16
PCIe 2.0 x16
Other
Launch Price
7,699 USD
—
Production
End-of-life
End-of-life
Predecessor
Tesla Fermi
Tesla
Successor
Tesla Maxwell
Tesla Kepler