NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 465

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce GTX 465

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 1024MB VRAM GeForce GTX 465 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Released 1 years and 11 months late

Lower TDP (102W vs 200W)

NVIDIA GeForce GTX 465 's Advantages

Larger VRAM bandwidth (102.7GB/s vs 91.87GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM +4%

0.894 TFLOPS

GeForce GTX 465

0.855 TFLOPS

GeForce GT 645 OEM

VS

GeForce GTX 465

Graphics Card

Apr 2012

Release Date

May 2010

GeForce 600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

802 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

102.7GB/s

Render Config

-

6

SM Count

11

288

Shading Units

352

48

TMUs

44

24

ROPs

32

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

13.38 GPixel/s

37.25 GTexel/s

Texture Rate

26.75 GTexel/s

-

894.0 GFLOPS

FP32 (float)

855.4 GFLOPS

74.50 GFLOPS

FP64 (double)

106.9 GFLOPS

Board Design

102W

TDP

200W

300 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x mini-HDMI 1.3a

-

Power Connectors

2x 6-pin

Graphics Processor

GF114

GPU Name

GF100

-

GPU Variant

GF100-030-A3

Fermi 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

3.1 billion

332 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.0

5.1

Shader Model

5.1

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