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
RTX A2000
CORE STATE
GA106
VRAM
6 GB
CLOCK SPEED
1200 MHz
TDP
70 W
BUS WIDTH
192 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620
RTX A2000
Core Specs
Shading Units
384
3,328
+766.7%
Shaders
384
3,328
+766.7%
TMUs
24
104
+333.3%
ROPs
16
48
+200.0%
SM Count
—
26
Clocks
Base Clock
1058 MHz
562 MHz
Boost Clock
1124 MHz
1200 MHz
Memory Clock
900 MHz
1800 Mbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
DDR3
GDDR6
Memory Bus
128 bit
192 bit
Bandwidth
28.80 GB/s
288.0 GB/s
Cache
L1 Cache
64 KB (per SMM)
128 KB (per SM)
L2 Cache
2 MB
3 MB
Performance
Pixel Rate
17.98 GPixel/s
57.60 GPixel/s
Texture Rate
26.98 GTexel/s
124.8 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
7.987 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
124.8 GFLOPS (1:64)
FP16 (TFLOPS)
—
7.987 TFLOPS (1:1)
AI/RT
RT Cores
—
26
Tensor Cores
—
104
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
Ampere
GPU Name
GM107
GA106
Generation
Quadro Kepler
(Kx200)
Workstation Ampere
(Ax000)
Process Size
28 nm
8 nm
Transistors
1,870 million
12,000 million
Die Size
148 mm²
276 mm²
Foundry
TSMC
Samsung
Density
12.6M / mm²
43.5M / 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
8.6
Shader Model
6.7 (5.1)
6.8
Physical
Slot Width
Single-slot
Dual-slot
Length
160 mm
6.3 inches
167 mm
6.6 inches
Height
69 mm
2.7 inches
69 mm
2.7 inches
Outputs
1x DVI1x DisplayPort 1.2
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Other
Launch Price
—
449 USD
Production
End-of-life
End-of-life
Predecessor
Quadro Fermi
Quadro Turing
Successor
Quadro Maxwell
Workstation Ada