GPU Comparison
RADEON
AMD Radeon PRO W6400
CORE STATE
Navi 24
VRAM
4 GB
CLOCK SPEED
2321 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
VS
GEFORCE
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
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
PRO W6400
Quadro K620
Core Specs
Shading Units
768
384
-50.0%
Shaders
768
384
-50.0%
TMUs
48
24
-50.0%
ROPs
32
16
-50.0%
Compute Units
12
—
Clocks
Base Clock
2039 MHz
1058 MHz
Boost Clock
2321 MHz
1124 MHz
Memory Clock
2000 MHz
16 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR6
DDR3
Memory Bus
64 bit
128 bit
Bandwidth
128.0 GB/s
28.80 GB/s
Cache
L1 Cache
128 KB per Array
64 KB (per SMM)
L2 Cache
1024 KB
2 MB
L3 Cache
8 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
74.27 GPixel/s
17.98 GPixel/s
Texture Rate
111.4 GTexel/s
26.98 GTexel/s
FP32 (TFLOPS)
3.565 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
222.8 GFLOPS (1:16)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
7.130 TFLOPS (2:1)
—
AI/RT
RT Cores
12
—
Power
TDP
50 W
45 W
TDP (W)
50
45
-10.0%
Suggested PSU
250 W
200 W
Power Connectors
None
None
Architecture
Architecture
RDNA 2.0
Maxwell
GPU Name
Navi 24
GM107
Generation
Radeon Pro Navi
(Navi II Series)
Quadro Kepler
(Kx200)
Process Size
6 nm
28 nm
Transistors
5,400 million
1,870 million
Die Size
107 mm²
148 mm²
Foundry
TSMC
TSMC
Density
50.5M / mm²
12.6M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.2
3.0
CUDA
—
5.0
Shader Model
6.8
6.7 (5.1)
Physical
Slot Width
Single-slot
Single-slot
Length
—
160 mm
6.3 inches
Height
—
69 mm
2.7 inches
Outputs
2x DisplayPort 1.4a
1x DVI1x DisplayPort 1.2
Bus Interface
PCIe 4.0 x4
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Radeon Pro Vega
Quadro Fermi
Successor
—
Quadro Maxwell