NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 480

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce GTX 480

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 1536MB VRAM GeForce GTX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 3 years and 1 months late

96 additional rendering cores

Lower TDP (65W vs 250W)

NVIDIA GeForce GTX 480 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (177.4GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce GTX 480 +41%

1.345 TFLOPS

GeForce GTX 645 OEM

VS

GeForce GTX 480

Graphics Card

Apr 2013

Release Date

Mar 2010

GeForce 600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

924 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

177.4GB/s

Render Config

-

SM Count

15

576

Shading Units

480

48

TMUs

60

16

ROPs

48

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

21.03 GPixel/s

39.55 GTexel/s

Texture Rate

42.06 GTexel/s

-

949.2 GFLOPS

FP32 (float)

1345 GFLOPS

39.55 GFLOPS

FP64 (double)

168.1 GFLOPS

Board Design

65W

TDP

250W

250 W

Suggested PSU

600 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK106

GPU Name

GF100

GK106-200-A1

GPU Variant

GF100-375-A3

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

3.1 billion

221 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.0

5.1

Shader Model

5.1

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