GeForce GTX 1080 vs GeForce GTX 650
We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 1080 's Advantages
Released 3 years and 8 months late
Boost Clock1733MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (320.3GB/s vs 80.00GB/s)
2176 additional rendering cores
GeForce GTX 650 's Advantages
Lower TDP (65W vs 180W)
Score
Benchmark
FP32 (float)
GeForce GTX 1080
+992%
8873
GeForce GTX 650
812
Graphics Card
May 2016
Release Date
Sep 2012
GeForce 10
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1607 MHz
Base Clock
-
1733 MHz
Boost Clock
-
1251 MHz
Memory Clock
1250 MHz
Memory
8GB
Memory Size
1024MB
GDDR5X
Memory Type
GDDR5
256bit
Memory Bus
128bit
320.3GB/s
Bandwidth
80.00GB/s
Render Config
20
SM Count
-
2560
Shading Units
384
160
TMUs
32
64
ROPs
16
48 KB (per SM)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
256 KB
Theoretical Performance
110.9 GPixel/s
Pixel Rate
8.464 GPixel/s
277.3 GTexel/s
Texture Rate
33.86 GTexel/s
138.6 GFLOPS
FP16 (half)
-
8.873 TFLOPS
FP32 (float)
812.5 GFLOPS
277.3 GFLOPS
FP64 (double)
33.86 GFLOPS
Board Design
180W
TDP
65W
450 W
Suggested PSU
250 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x mini-HDMI 1.4a
1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GP104
GPU Name
GK107
GP104-400-A1
GPU Variant
GK107-450-A2
Pascal
Architecture
Kepler
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
7.2 billion
Transistors
1.27 billion
314 mm²
Die Size
118 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
6.1
CUDA
3.0
6.4
Shader Model
5.1
