GPU Comparison
GEFORCE
NVIDIA GeForce GTX 650
CORE STATE
GK106
VRAM
1024 MB
CLOCK SPEED
—
TDP
65 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
GeForce GTX 870M
CORE STATE
GK104
VRAM
3 GB
CLOCK SPEED
967 MHz
TDP
100 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 650
GTX 870M
Core Specs
Shading Units
384
1,344
+250.0%
Shaders
384
1,344
+250.0%
TMUs
32
112
+250.0%
ROPs
16
24
+50.0%
Clocks
Base Clock
—
941 MHz
Boost Clock
—
967 MHz
GPU Clock
1058 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
1024 MB
3 GB
VRAM (MB)
1,024
3,072
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
80.00 GB/s
120.0 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
256 KB
384 KB
Performance
Pixel Rate
8.464 GPixel/s
27.08 GPixel/s
Texture Rate
33.86 GTexel/s
108.3 GTexel/s
FP32 (TFLOPS)
812.5 GFLOPS
2.599 TFLOPS
FP64 (TFLOPS)
33.86 GFLOPS (1:24)
108.3 GFLOPS (1:24)
Power
TDP
65 W
100 W
TDP (W)
65
100
+53.8%
Suggested PSU
250 W
—
Power Connectors
1x 6-pin
None
Architecture
Architecture
Kepler
Kepler
GPU Name
GK106
GK104
Generation
GeForce 600
GeForce 800M
Process Size
28 nm
28 nm
Transistors
2,540 million
3,540 million
Die Size
221 mm²
294 mm²
Foundry
TSMC
TSMC
Density
11.5M / 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
3.0
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Single-slot
MXM Module
Length
147 mm
5.8 inches
—
Outputs
1x DVI2x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 500
GeForce 700M
Successor
GeForce 700
GeForce 900M