GPU Comparison
GEFORCE
NVIDIA GeForce GTX 950
CORE STATE
GM206
VRAM
2 GB
CLOCK SPEED
1188 MHz
TDP
90 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
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_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 950
Quadro K620
Core Specs
Shading Units
768
384
-50.0%
Shaders
768
384
-50.0%
TMUs
48
24
-50.0%
ROPs
32
16
-50.0%
Clocks
Base Clock
1024 MHz
1058 MHz
Boost Clock
1188 MHz
1124 MHz
Memory Clock
1653 MHz
6.6 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
105.8 GB/s
28.80 GB/s
Cache
L1 Cache
48 KB (per SMM)
64 KB (per SMM)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
38.02 GPixel/s
17.98 GPixel/s
Texture Rate
57.02 GTexel/s
26.98 GTexel/s
FP32 (TFLOPS)
1.825 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
57.02 GFLOPS (1:32)
26.98 GFLOPS (1:32)
Power
TDP
90 W
45 W
TDP (W)
90
45
-50.0%
Suggested PSU
250 W
200 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
Maxwell 2.0
Maxwell
GPU Name
GM206
GM107
Generation
GeForce 900
Quadro Kepler
(Kx200)
Process Size
28 nm
28 nm
Transistors
2,940 million
1,870 million
Die Size
228 mm²
148 mm²
Foundry
TSMC
TSMC
Density
12.9M / mm²
12.6M / mm²
API Support
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
5.2
5.0
Shader Model
6.8
6.7 (5.1)
Physical
Slot Width
Dual-slot
Single-slot
Length
202 mm
8 inches
160 mm
6.3 inches
Height
—
69 mm
2.7 inches
Outputs
1x DVI1x HDMI 2.03x DisplayPort 1.2
1x DVI1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
159 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 700
Quadro Fermi
Successor
GeForce 10
Quadro Maxwell