GPU Comparison
RADEON
AMD Radeon 540
CORE STATE
Lexa
VRAM
1024 MB
CLOCK SPEED
—
TDP
50 W
BUS WIDTH
32 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
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_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
540
Quadro K620M
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
24
16
-33.3%
ROPs
16
8
-50.0%
Compute Units
6
—
Clocks
Base Clock
—
1029 MHz
Boost Clock
—
1124 MHz
GPU Clock
1183 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
DDR3
Memory Bus
32 bit
64 bit
Bandwidth
24.00 GB/s
16.02 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
18.93 GPixel/s
8.992 GPixel/s
Texture Rate
28.39 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
908.5 GFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
56.78 GFLOPS (1:16)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
908.5 GFLOPS (1:1)
—
Power
TDP
50 W
30 W
TDP (W)
50
30
-40.0%
Suggested PSU
250 W
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Maxwell
GPU Name
Lexa
GM108S
Generation
Polaris
(RX 500)
Quadro Kepler-M
(Kx200M)
Process Size
14 nm
28 nm
Transistors
2,200 million
1,020 million
Die Size
103 mm²
77 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
13.2M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
5.0
Shader Model
6.7
6.7 (5.1)
Physical
Slot Width
Single-slot
MXM Module
Outputs
2x DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-A (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
Quadro Fermi-M
Successor
Vega
Quadro Maxwell-M