GPU Comparison
GEFORCE
NVIDIA GeForce GTX 980 Ti
CORE STATE
GM200
VRAM
6 GB
CLOCK SPEED
1076 MHz
TDP
250 W
BUS WIDTH
384 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
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 980 Ti
Quadro K620
Core Specs
Shading Units
2,816
384
-86.4%
Shaders
2,816
384
-86.4%
TMUs
176
24
-86.4%
ROPs
96
16
-83.3%
Clocks
Base Clock
1000 MHz
1058 MHz
Boost Clock
1076 MHz
1124 MHz
Memory Clock
1753 MHz
7 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
6 GB
2 GB
VRAM (MB)
6,144
2,048
-66.7%
Memory Type
GDDR5
DDR3
Memory Bus
384 bit
128 bit
Bandwidth
336.6 GB/s
28.80 GB/s
Cache
L1 Cache
48 KB (per SMM)
64 KB (per SMM)
L2 Cache
3 MB
2 MB
Performance
Pixel Rate
103.3 GPixel/s
17.98 GPixel/s
Texture Rate
189.4 GTexel/s
26.98 GTexel/s
FP32 (TFLOPS)
6.060 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
189.4 GFLOPS (1:32)
26.98 GFLOPS (1:32)
Power
TDP
250 W
45 W
TDP (W)
250
45
-82.0%
Suggested PSU
600 W
200 W
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
Maxwell 2.0
Maxwell
GPU Name
GM200
GM107
Generation
GeForce 900
Quadro Kepler
(Kx200)
Process Size
28 nm
28 nm
Transistors
8,000 million
1,870 million
Die Size
601 mm²
148 mm²
Foundry
TSMC
TSMC
Density
13.3M / 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
267 mm
10.5 inches
160 mm
6.3 inches
Height
111 mm
4.4 inches
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
649 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 700
Quadro Fermi
Successor
GeForce 10
Quadro Maxwell