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 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
540
Quadro K620
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
24
24
0.0%
ROPs
16
16
0.0%
Compute Units
6
—
Clocks
Base Clock
—
1058 MHz
Boost Clock
—
1124 MHz
GPU Clock
1183 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
DDR3
Memory Bus
32 bit
128 bit
Bandwidth
24.00 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
512 KB
2 MB
Performance
Pixel Rate
18.93 GPixel/s
17.98 GPixel/s
Texture Rate
28.39 GTexel/s
26.98 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
45 W
TDP (W)
50
45
-10.0%
Suggested PSU
250 W
200 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Maxwell
GPU Name
Lexa
GM107
Generation
Polaris
(RX 500)
Quadro Kepler
(Kx200)
Process Size
14 nm
28 nm
Transistors
2,200 million
1,870 million
Die Size
103 mm²
148 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
12.6M / 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
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 3.0 x8
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Arctic Islands
Quadro Fermi
Successor
Vega
Quadro Maxwell