GPU Comparison
RADEON
AMD Radeon R9 M295X
CORE STATE
Amethyst
VRAM
4 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
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
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M295X
Quadro K620M
Core Specs
Shading Units
2,048
384
-81.3%
Shaders
2,048
384
-81.3%
TMUs
128
16
-87.5%
ROPs
32
8
-75.0%
Compute Units
32
—
Clocks
Base Clock
—
1029 MHz
Boost Clock
—
1124 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 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
160.0 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
23.14 GPixel/s
8.992 GPixel/s
Texture Rate
92.54 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
—
Power
TDP
250 W
30 W
TDP (W)
250
30
-88.0%
Power Connectors
None
None
Architecture
Architecture
GCN 3.0
Maxwell
GPU Name
Amethyst
GM108S
Generation
Gem System
(R9 M200)
Quadro Kepler-M
(Kx200M)
Process Size
28 nm
28 nm
Transistors
5,000 million
1,020 million
Die Size
366 mm²
77 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
13.2M / 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
MXM Module
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
MXM-B (3.0)
MXM-A (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Quadro Fermi-M
Successor
Polaris Mobile
Quadro Maxwell-M