GPU Comparison
GEFORCE
NVIDIA GRID K2
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Tesla P40
CORE STATE
GP102
VRAM
24 GB
CLOCK SPEED
1531 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GRID K2
Tesla P40
Core Specs
Shading Units
1,536
3,840
+150.0%
Shaders
1,536
3,840
+150.0%
TMUs
128
240
+87.5%
ROPs
32
96
+200.0%
SM Count
—
30
Clocks
Base Clock
—
1303 MHz
Boost Clock
—
1531 MHz
GPU Clock
745 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1808 MHz
7.2 Gbps effective
Memory
Memory Size
4 GB
24 GB
VRAM (MB)
4,096
24,576
+500.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
384 bit
Bandwidth
160.0 GB/s
347.1 GB/s
Cache
L1 Cache
16 KB (per SMX)
48 KB (per SM)
L2 Cache
512 KB
3 MB
Performance
Pixel Rate
23.84 GPixel/s
147.0 GPixel/s
Texture Rate
95.36 GTexel/s
367.4 GTexel/s
FP32 (TFLOPS)
2.289 TFLOPS
11.76 TFLOPS
FP64 (TFLOPS)
95.36 GFLOPS (1:24)
367.4 GFLOPS (1:32)
FP16 (TFLOPS)
—
183.7 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
8-pin EPS
Architecture
Architecture
Kepler
Pascal
GPU Name
GK104
GP102
Generation
GRID
(K2)
Tesla Pascal
(Pxx)
Process Size
28 nm
16 nm
Transistors
3,540 million
11,800 million
Die Size
294 mm²
471 mm²
Foundry
TSMC
TSMC
Density
12.0M / 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
3.0
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
—
111 mm
4.4 inches
Outputs
No outputs
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
5,199 USD
5,699 USD
Production
End-of-life
End-of-life
Predecessor
—
Tesla Maxwell
Successor
—
Tesla Volta