NVIDIA GeForce GT 640 vs NVIDIA GeForce 9500 GT

VS

NVIDIA GeForce GT 640

NVIDIA GeForce 9500 GT

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 512MB VRAM GeForce 9500 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Released 3 years and 11 months late

More VRAM (2GB vs 512GB)

352 additional rendering cores

NVIDIA GeForce 9500 GT 's Advantages

Larger VRAM bandwidth (32.00GB/s vs 28.51GB/s)

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GT 640 +621%

0.693 TFLOPS

GeForce 9500 GT

0.096 TFLOPS

GeForce GT 640

VS

GeForce 9500 GT

Graphics Card

Jun 2012

Release Date

Jul 2008

GeForce 600

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

891 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

4

384

Shading Units

32

TMUs

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

4.800 GPixel/s

28.86 GTexel/s

Texture Rate

9.600 GTexel/s

-

692.7 GFLOPS

FP32 (float)

96.00 GFLOPS

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

None

Power Connectors

None

Graphics Processor

GK107

GPU Name

G96

GK107-300-A2

GPU Variant

-

Kepler

Architecture

Tesla

TSMC

Foundry

UMC

28 nm

Process Size

65 nm

1.27 billion

Transistors

0.314 billion

118 mm²

Die Size

144 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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