GPU Comparison
RADEON
AMD Radeon Pro W6800X
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
2087 MHz
TDP
200 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
VS
GEFORCE
Quadro K620M
CORE STATE
GM108S
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
Pro W6800X
Quadro K620M
Core Specs
Shading Units
3,840
384
-90.0%
Shaders
3,840
384
-90.0%
TMUs
240
16
-93.3%
ROPs
96
8
-91.7%
Compute Units
60
—
Clocks
Base Clock
1800 MHz
1029 MHz
Boost Clock
2087 MHz
1124 MHz
Memory Clock
2000 MHz
16 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
32 GB
2 GB
VRAM (MB)
32,768
2,048
-93.8%
Memory Type
GDDR6
DDR3
Memory Bus
256 bit
64 bit
Bandwidth
512.0 GB/s
16.02 GB/s
Cache
L1 Cache
128 KB per Array
64 KB (per SMM)
L2 Cache
4 MB
1024 KB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
200.4 GPixel/s
8.992 GPixel/s
Texture Rate
500.9 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
16.03 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
1,001.8 GFLOPS (1:16)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
32.06 TFLOPS (2:1)
—
AI/RT
RT Cores
60
—
Power
TDP
200 W
30 W
TDP (W)
200
30
-85.0%
Suggested PSU
550 W
—
Power Connectors
Apple MPX
None
Architecture
Architecture
RDNA 2.0
Maxwell
GPU Name
Navi 21
GM108S
Generation
Radeon Pro Mac
(Navi II Series)
Quadro Kepler-M
(Kx200M)
Process Size
7 nm
28 nm
Transistors
26,800 million
1,020 million
Die Size
520 mm²
77 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
13.2M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
3.0
CUDA
—
5.0
Shader Model
6.8
6.7 (5.1)
Physical
Slot Width
Quad-slot
MXM Module
Length
267 mm
10.5 inches
—
Height
120 mm
4.7 inches
—
Outputs
1x HDMI 2.14x Thunderbolt
Portable Device Dependent
Bus Interface
Apple MPX
MXM-A (3.0)
Other
Launch Price
2,799 USD
—
Production
End-of-life
End-of-life
Predecessor
—
Quadro Fermi-M
Successor
—
Quadro Maxwell-M