NVIDIA GeForce GTX 660 Ti vs AMD Radeon R9 280

VS

NVIDIA GeForce GTX 660 Ti

AMD Radeon R9 280

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 3GB VRAM Radeon R9 280 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 Clock has increased by 5% (980MHz vs 933MHz)

Lower TDP (150W vs 200W)

AMD Radeon R9 280 's Advantages

Released 1 years and 7 months late

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 144.2GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti

2.634 TFLOPS

Radeon R9 280 +26%

3.344 TFLOPS

3DMark Time Spy

GeForce GTX 660 Ti

1627

Radeon R9 280 +23%

2009

GeForce GTX 660 Ti

VS

Radeon R9 280

Graphics Card

Aug 2012

Release Date

Mar 2014

GeForce 600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

915 MHz

Base Clock

827 MHz

980 MHz

Boost Clock

933 MHz

1502 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

384bit

144.2GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

-

1344

Shading Units

1792

112

TMUs

112

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

768 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

29.86 GPixel/s

109.8 GTexel/s

Texture Rate

104.5 GTexel/s

-

2.634 TFLOPS

FP32 (float)

3.344 TFLOPS

109.8 GFLOPS

FP64 (double)

836.0 GFLOPS

Board Design

150W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK104

GPU Name

Tahiti

GK104-300-KD-A2

GPU Variant

Tahiti PRO3 (215-0821330)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

4.313 billion

294 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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