Home GPU Comparison NVIDIA GeForce 8400 SE vs NVIDIA GeForce GTX 660

NVIDIA GeForce 8400 SE vs NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 128MB VRAM GeForce 8400 SE and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 SE 's Advantages
Lower TDP (50W vs 140W)
NVIDIA GeForce GTX 660 's Advantages
Released 4 years and 1 months late
Boost Clock1032MHz
Larger VRAM bandwidth (144.2GB/s vs 6.400GB/s)
944 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 8400 SE
0.029 TFLOPS
GeForce GTX 660 +6731%
1.981 TFLOPS
VS

Graphics Card

Aug 2008
Release Date
Sep 2012
GeForce 8
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
400 MHz
Memory Clock
1502 MHz

Memory

128MB
Memory Size
2GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
192bit
6.400GB/s
Bandwidth
144.2GB/s

Render Config

2
SM Count
-
-
Compute Units
-
16
Shading Units
960
8
TMUs
80
4
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per SMX)
16 KB
L2 Cache
384 KB

Theoretical Performance

1.836 GPixel/s
Pixel Rate
20.64 GPixel/s
3.672 GTexel/s
Texture Rate
82.56 GTexel/s
-
FP16 (half)
-
29.38 GFLOPS
FP32 (float)
1.981 TFLOPS
-
FP64 (double)
82.56 GFLOPS

Graphics Processor

G86
GPU Name
GK106
-
GPU Variant
GK106-400-A1
Tesla
Architecture
Kepler
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.21 billion
Transistors
2.54 billion
127 mm²
Die Size
221 mm²

Board Design

50W
TDP
140W
250 W
Suggested PSU
300 W
1x DVI 1x VGA 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin

Graphics Features

11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.1
CUDA
3.0
4.0
Shader Model
5.1

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