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 PRO 2000 Blackwell
CORE STATE
GB206
VRAM
16 GB
CLOCK SPEED
1957 MHz
TDP
70 W
BUS WIDTH
128 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
Quadro K620
RTX PRO 2000 Blackwell
Core Specs
Shading Units
384
4,352
+1033.3%
Shaders
384
4,352
+1033.3%
TMUs
24
136
+466.7%
ROPs
16
64
+300.0%
SM Count
—
34
Clocks
Base Clock
1058 MHz
982 MHz
Boost Clock
1124 MHz
1957 MHz
Memory Clock
900 MHz
1800 Mbps effective
1125 MHz
18 Gbps effective
Memory
Memory Size
2 GB
16 GB
VRAM (MB)
2,048
16,384
+700.0%
Memory Type
DDR3
GDDR7
Memory Bus
128 bit
128 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
32 MB
Performance
Pixel Rate
17.98 GPixel/s
125.2 GPixel/s
Texture Rate
26.98 GTexel/s
266.2 GTexel/s
FP32 (TFLOPS)
863.2 GFLOPS
17.03 TFLOPS
FP64 (TFLOPS)
26.98 GFLOPS (1:32)
266.2 GFLOPS (1:64)
FP16 (TFLOPS)
—
17.03 TFLOPS (1:1)
AI/RT
RT Cores
—
34
Tensor Cores
—
136
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
Blackwell 2.0
GPU Name
GM107
GB206
Generation
Quadro Kepler
(Kx200)
Blackwell PRO W
(x000)
Process Size
28 nm
5 nm
Transistors
1,870 million
21,900 million
Die Size
148 mm²
181 mm²
Foundry
TSMC
TSMC
Density
12.6M / mm²
121.0M / 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
12.0
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 2.1b
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x8
Other
Production
End-of-life
Active
Predecessor
Quadro Fermi
Workstation Ada
Successor
Quadro Maxwell
—