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 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_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro W6800X
Quadro K620
Core Specs
Shading Units
3,840
384
-90.0%
Shaders
3,840
384
-90.0%
TMUs
240
24
-90.0%
ROPs
96
16
-83.3%
Compute Units
60
—
Clocks
Base Clock
1800 MHz
1058 MHz
Boost Clock
2087 MHz
1124 MHz
Memory Clock
2000 MHz
16 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
32 GB
2 GB
VRAM (MB)
32,768
2,048
-93.8%
Memory Type
GDDR6
DDR3
Memory Bus
256 bit
128 bit
Bandwidth
512.0 GB/s
28.80 GB/s
Cache
L1 Cache
128 KB per Array
64 KB (per SMM)
L2 Cache
4 MB
2 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
200.4 GPixel/s
17.98 GPixel/s
Texture Rate
500.9 GTexel/s
26.98 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
45 W
TDP (W)
200
45
-77.5%
Suggested PSU
550 W
200 W
Power Connectors
Apple MPX
None
Architecture
Architecture
RDNA 2.0
Maxwell
GPU Name
Navi 21
GM107
Generation
Radeon Pro Mac
(Navi II Series)
Quadro Kepler
(Kx200)
Process Size
7 nm
28 nm
Transistors
26,800 million
1,870 million
Die Size
520 mm²
148 mm²
Foundry
TSMC
TSMC
Density
51.5M / 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
2.1
3.0
CUDA
—
5.0
Shader Model
6.8
6.7 (5.1)
Physical
Slot Width
Quad-slot
Single-slot
Length
267 mm
10.5 inches
160 mm
6.3 inches
Height
120 mm
4.7 inches
69 mm
2.7 inches
Outputs
1x HDMI 2.14x Thunderbolt
1x DVI1x DisplayPort 1.2
Bus Interface
Apple MPX
PCIe 2.0 x16
Other
Launch Price
2,799 USD
—
Production
End-of-life
End-of-life
Predecessor
—
Quadro Fermi
Successor
—
Quadro Maxwell