NVIDIA GeForce GTX 465 vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce GTX 465 NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 465 and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 465 's Advantages

Larger VRAM bandwidth (102.7GB/s vs 28.51GB/s)

NVIDIA GeForce GT 640 's Advantages

Released 2 years and 1 months late

More VRAM (2GB vs 1GB)

32 additional rendering cores

Lower TDP (65W vs 200W)

Score

Benchmark

FP32 (float)

GeForce GTX 465 +23%

0.855 TFLOPS

GeForce GT 640

0.693 TFLOPS

GeForce GTX 465

VS

GeForce GT 640

Graphics Card

May 2010

Release Date

Jun 2012

GeForce 400

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

802 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

102.7GB/s

Bandwidth

28.51GB/s

Render Config

11

SM Count

-

Compute Units

-

352

Shading Units

384

44

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

Theoretical Performance

13.38 GPixel/s

Pixel Rate

7.216 GPixel/s

26.75 GTexel/s

Texture Rate

28.86 GTexel/s

-

FP16 (half)

-

855.4 GFLOPS

FP32 (float)

692.7 GFLOPS

106.9 GFLOPS

FP64 (double)

28.86 GFLOPS

Graphics Processor

GF100

GPU Name

GK107

GF100-030-A3

GPU Variant

GK107-300-A2

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

1.27 billion

529 mm²

Die Size

118 mm²

Board Design

200W

TDP

65W

550 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.0

CUDA

3.0

5.1

Shader Model

5.1

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