NVIDIA GeForce GTX 650 vs NVIDIA GeForce 8400 GS

VS

NVIDIA GeForce GTX 650

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 650 and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 's Advantages

Released 5 years and 5 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (80.00GB/s vs 6.400GB/s)

368 additional rendering cores

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GTX 650 +2700%

0.812 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

GeForce GTX 650

VS

GeForce 8400 GS

Graphics Card

Sep 2012

Release Date

Apr 2007

GeForce 600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

80.00GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

2

384

Shading Units

16

32

TMUs

8

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

8.464 GPixel/s

Pixel Rate

1.836 GPixel/s

33.86 GTexel/s

Texture Rate

3.672 GTexel/s

-

812.5 GFLOPS

FP32 (float)

29.38 GFLOPS

33.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

40W

250 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

GK107

GPU Name

G86

GK107-450-A2

GPU Variant

G86-213-A2

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.27 billion

Transistors

0.21 billion

118 mm²

Die Size

127 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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