GPU Comparison
RADEON
AMD Radeon R8 M445DX
CORE STATE
Meso
VRAM
System Shared
CLOCK SPEED
1021 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
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
R8 M445DX
Quadro K620
Core Specs
Shading Units
320
384
+20.0%
Shaders
320
384
+20.0%
TMUs
20
24
+20.0%
ROPs
8
16
+100.0%
Compute Units
5
—
Clocks
Base Clock
780 MHz
1058 MHz
Boost Clock
1021 MHz
1124 MHz
Memory Clock
System Shared
900 MHz
1800 Mbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
DDR3
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
28.80 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
128 KB
2 MB
Performance
Pixel Rate
8.168 GPixel/s
17.98 GPixel/s
Texture Rate
20.42 GTexel/s
26.98 GTexel/s
FP32 (TFLOPS)
653.4 GFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
40.84 GFLOPS (1:16)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
653.4 GFLOPS (1:1)
—
Power
TDP
—
45 W
TDP (W)
—
45
Suggested PSU
—
200 W
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
Maxwell
GPU Name
Meso
GM107
Generation
Gem System Hybrid
(Rx M400)
Quadro Kepler
(Kx200)
Process Size
28 nm
28 nm
Transistors
1,550 million
1,870 million
Die Size
125 mm²
148 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
12.6M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
5.0
Shader Model
6.5
6.7 (5.1)
Physical
Slot Width
IGP
Single-slot
Length
—
160 mm
6.3 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
1x DVI1x DisplayPort 1.2
Bus Interface
IGP
PCIe 2.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
Quadro Fermi
Successor
—
Quadro Maxwell