GPU Comparison
GEFORCE
NVIDIA GeForce 825M
CORE STATE
GK208
VRAM
1024 MB
CLOCK SPEED
941 MHz
TDP
33 W
BUS WIDTH
64 bit
ARCHITECTURE
Kepler 2.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
GEFORCE
GeForce GTX 660 Ti
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
980 MHz
TDP
150 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
825M
GTX 660 Ti
Core Specs
Shading Units
384
1,344
+250.0%
Shaders
384
1,344
+250.0%
TMUs
32
112
+250.0%
ROPs
8
24
+200.0%
Clocks
Base Clock
850 MHz
915 MHz
Boost Clock
941 MHz
980 MHz
Memory Clock
900 MHz
1800 Mbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
192 bit
Bandwidth
14.40 GB/s
144.2 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
512 KB
384 KB
Performance
Pixel Rate
7.528 GPixel/s
27.44 GPixel/s
Texture Rate
30.11 GTexel/s
109.8 GTexel/s
FP32 (TFLOPS)
722.7 GFLOPS
2.634 TFLOPS
FP64 (TFLOPS)
30.11 GFLOPS (1:24)
109.8 GFLOPS (1:24)
Power
TDP
33 W
150 W
TDP (W)
33
150
+354.5%
Suggested PSU
—
450 W
Power Connectors
None
2x 6-pin
Architecture
Architecture
Kepler 2.0
Kepler
GPU Name
GK208
GK104
Generation
GeForce 800M
GeForce 600
Process Size
28 nm
28 nm
Transistors
1,020 million
3,540 million
Die Size
87 mm²
294 mm²
Foundry
TSMC
TSMC
Density
11.7M / mm²
12.0M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.2.175
OpenCL
3.0
3.0
CUDA
3.5
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
IGP
Dual-slot
Length
—
241 mm
9.5 inches
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
299 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 700M
GeForce 500
Successor
GeForce 900M
GeForce 700