NVIDIA GeForce GTX 680 vs NVIDIA GeForce GT 545

VS

NVIDIA GeForce GTX 680

NVIDIA GeForce GT 545

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 1536MB VRAM GeForce GT 545 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Released 10 months late

Boost Clock1058MHz

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (192.3GB/s vs 38.40GB/s)

1392 additional rendering cores

NVIDIA GeForce GT 545 's Advantages

Lower TDP (70W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +683%

3.25 TFLOPS

GeForce GT 545

0.415 TFLOPS

GeForce GTX 680

VS

GeForce GT 545

Graphics Card

Mar 2012

Release Date

May 2011

GeForce 600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

192bit

192.3GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

3

1536

Shading Units

144

128

TMUs

24

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

4.320 GPixel/s

135.4 GTexel/s

Texture Rate

17.28 GTexel/s

-

3.250 TFLOPS

FP32 (float)

414.7 GFLOPS

135.4 GFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

195W

TDP

70W

450 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

GF116

GK104-400-A2

GPU Variant

-

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

1.17 billion

294 mm²

Die Size

238 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

2.1

5.1

Shader Model

5.1

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