GPU Comparison
GEFORCE
NVIDIA GeForce GTX 680
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
1058 MHz
TDP
195 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
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
GTX 680
Quadro K620M
Core Specs
Shading Units
1,536
384
-75.0%
Shaders
1,536
384
-75.0%
TMUs
128
16
-87.5%
ROPs
32
8
-75.0%
Clocks
Base Clock
1006 MHz
1029 MHz
Boost Clock
1058 MHz
1124 MHz
Memory Clock
1502 MHz
6 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
256 bit
64 bit
Bandwidth
192.3 GB/s
16.02 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SMM)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
33.86 GPixel/s
8.992 GPixel/s
Texture Rate
135.4 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
3.250 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
135.4 GFLOPS (1:24)
26.98 GFLOPS (1:32)
Power
TDP
195 W
30 W
TDP (W)
195
30
-84.6%
Suggested PSU
450 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
Kepler
Maxwell
GPU Name
GK104
GM108S
Generation
GeForce 600
Quadro Kepler-M
(Kx200M)
Process Size
28 nm
28 nm
Transistors
3,540 million
1,020 million
Die Size
294 mm²
77 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
13.2M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
Dual-slot
MXM Module
Length
256 mm
10.1 inches
—
Height
111 mm
4.4 inches
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
MXM-A (3.0)
Other
Launch Price
499 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Quadro Fermi-M
Successor
GeForce 700
Quadro Maxwell-M