GPU Comparison
RADEON
AMD Radeon R7 M340
CORE STATE
Meso
VRAM
2 GB
CLOCK SPEED
1021 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2015
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
R7 M340
Quadro K620M
Core Specs
Shading Units
320
384
+20.0%
Shaders
320
384
+20.0%
TMUs
20
16
-20.0%
ROPs
8
8
0.0%
Compute Units
5
—
Clocks
Base Clock
943 MHz
1029 MHz
Boost Clock
1021 MHz
1124 MHz
Memory Clock
1000 MHz
2 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
DDR3
DDR3
Memory Bus
64 bit
64 bit
Bandwidth
16.00 GB/s
16.02 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
128 KB
1024 KB
Performance
Pixel Rate
8.168 GPixel/s
8.992 GPixel/s
Texture Rate
20.42 GTexel/s
17.98 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
—
30 W
TDP (W)
—
30
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
Maxwell
GPU Name
Meso
GM108S
Generation
Gem System
(R7 M300)
Quadro Kepler-M
(Kx200M)
Process Size
28 nm
28 nm
Transistors
1,550 million
1,020 million
Die Size
125 mm²
77 mm²
Foundry
TSMC
TSMC
Density
12.4M / 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
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-A (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Quadro Fermi-M
Successor
Polaris Mobile
Quadro Maxwell-M