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
Quadro P400
CORE STATE
GP107
VRAM
2 GB
CLOCK SPEED
1252 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Pascal
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 650
Quadro P400
Core Specs
Shading Units
384
256
-33.3%
Shaders
384
256
-33.3%
TMUs
32
16
-50.0%
ROPs
16
16
0.0%
SM Count
—
2
Clocks
Base Clock
—
1228 MHz
Boost Clock
—
1252 MHz
GPU Clock
1058 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1002 MHz
4 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
64 bit
Bandwidth
80.00 GB/s
32.06 GB/s
Cache
L1 Cache
16 KB (per SMX)
48 KB (per SM)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
8.464 GPixel/s
20.03 GPixel/s
Texture Rate
33.86 GTexel/s
20.03 GTexel/s
FP32 (TFLOPS)
812.5 GFLOPS
641.0 GFLOPS
FP64 (TFLOPS)
33.86 GFLOPS (1:24)
20.03 GFLOPS (1:32)
FP16 (TFLOPS)
—
10.02 GFLOPS (1:64)
Power
TDP
65 W
30 W
TDP (W)
65
30
-53.8%
Suggested PSU
250 W
200 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
Kepler
Pascal
GPU Name
GK106
GP107
Generation
GeForce 600
Quadro Pascal
(Px000)
Process Size
28 nm
14 nm
Transistors
2,540 million
3,300 million
Die Size
221 mm²
132 mm²
Foundry
TSMC
Samsung
Density
11.5M / mm²
25.0M / mm²
API Support
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
6.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Single-slot
Single-slot
Length
147 mm
5.8 inches
150 mm
5.9 inches
Height
—
69 mm
2.7 inches
Outputs
1x DVI2x DisplayPort 1.2
3x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Quadro Maxwell
Successor
GeForce 700
Quadro Volta