NVIDIA GeForce GTX 660 Ti vs AMD Radeon 540

VS

NVIDIA GeForce GTX 660 Ti

AMD Radeon 540

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM AMD Radeon 540 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Boost Clock980MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 24.00GB/s)

960 additional rendering cores

AMD Radeon 540 's Advantages

Released 4 years and 8 months late

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti +190%

2.634 TFLOPS

AMD Radeon 540

0.908 TFLOPS

GeForce GTX 660 Ti

VS

AMD Radeon 540

Graphics Card

Aug 2012

Release Date

Apr 2017

GeForce 600

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

32bit

144.2GB/s

Bandwidth

24.00GB/s

Render Config

-

Compute Units

6

-

1344

Shading Units

384

112

TMUs

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

18.93 GPixel/s

109.8 GTexel/s

Texture Rate

28.39 GTexel/s

-

FP16 (half)

908.5 GFLOPS

2.634 TFLOPS

FP32 (float)

908.5 GFLOPS

109.8 GFLOPS

FP64 (double)

56.78 GFLOPS

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

2x DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

Lexa

GK104-300-KD-A2

GPU Variant

Lexa PRO (215-0904018)

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

3.54 billion

Transistors

2.2 billion

294 mm²

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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