GPU Comparison
GEFORCE
NVIDIA Quadro K620
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
Tesla T4
CORE STATE
TU104
VRAM
16 GB
CLOCK SPEED
1590 MHz
TDP
70 W
BUS WIDTH
256 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620
Tesla T4
Core Specs
Shading Units
384
2,560
+566.7%
Shaders
384
2,560
+566.7%
TMUs
24
160
+566.7%
ROPs
16
64
+300.0%
SM Count
—
40
Clocks
Base Clock
1058 MHz
585 MHz
Boost Clock
1124 MHz
1590 MHz
Memory Clock
900 MHz
1800 Mbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
DDR3
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
28.80 GB/s
320.0 GB/s
Cache
L1 Cache
64 KB (per SMM)
64 KB (per SM)
L2 Cache
2 MB
4 MB
Performance
Pixel Rate
17.98 GPixel/s
101.8 GPixel/s
Texture Rate
26.98 GTexel/s
254.4 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
8.141 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
254.4 GFLOPS (1:32)
FP16 (TFLOPS)
—
65.13 TFLOPS (8:1)
AI/RT
RT Cores
—
40
Tensor Cores
—
320
Power
TDP
45 W
70 W
TDP (W)
45
70
+55.6%
Suggested PSU
200 W
250 W
Power Connectors
None
None
Architecture
Architecture
Maxwell
Turing
GPU Name
GM107
TU104
Generation
Quadro Kepler
(Kx200)
Tesla Turing
(Txx)
Process Size
28 nm
12 nm
Transistors
1,870 million
13,600 million
Die Size
148 mm²
545 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
25.0M / mm²
API Support
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.0
7.5
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
Single-slot
Single-slot
Length
160 mm
6.3 inches
168 mm
6.6 inches
Height
69 mm
2.7 inches
—
Outputs
1x DVI1x DisplayPort 1.2
No outputs
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi
Tesla Volta
Successor
Quadro Maxwell
Server Ampere