GPU Comparison
RADEON
AMD Radeon R9 M290X
CORE STATE
Neptune
VRAM
4 GB
CLOCK SPEED
900 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
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
R9 M290X
Quadro K620M
Core Specs
Shading Units
1,280
384
-70.0%
Shaders
1,280
384
-70.0%
TMUs
80
16
-80.0%
ROPs
32
8
-75.0%
Compute Units
20
—
Clocks
Base Clock
850 MHz
1029 MHz
Boost Clock
900 MHz
1124 MHz
Memory Clock
1200 MHz
4.8 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
DDR3
Memory Bus
256 bit
64 bit
Bandwidth
153.6 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
28.80 GPixel/s
8.992 GPixel/s
Texture Rate
72.00 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
2.304 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
144.0 GFLOPS (1:16)
26.98 GFLOPS (1:32)
Power
TDP
100 W
30 W
TDP (W)
100
30
-70.0%
Power Connectors
None
None
Architecture
Architecture
GCN 1.0
Maxwell
GPU Name
Neptune
GM108S
Generation
Gem System
(R9 M200)
Quadro Kepler-M
(Kx200M)
Process Size
28 nm
28 nm
Transistors
2,800 million
1,020 million
Die Size
212 mm²
77 mm²
Foundry
TSMC
TSMC
Density
13.2M / mm²
13.2M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
MXM Module
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
MXM-A (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Quadro Fermi-M
Successor
Polaris Mobile
Quadro Maxwell-M