ATI Radeon X550 XT vs NVIDIA GeForce GTX 660 OEM

VS

ATI Radeon X550 XT

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 128MB VRAM Radeon X550 XT and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Released 5 years and 7 months late

Boost Clock888MHz

More VRAM (1536GB vs 128GB)

Larger VRAM bandwidth (134.4GB/s vs 9.600GB/s)

1152 additional rendering cores

Score

Radeon X550 XT

VS

GeForce GTX 660 OEM

Graphics Card

Jan 2007

Release Date

Aug 2012

Radeon R300

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

823 MHz

-

Boost Clock

888 MHz

300 MHz

Memory Clock

1400 MHz

Memory

128MB

Memory Size

1536MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

9.600GB/s

Bandwidth

134.4GB/s

Render Config

-

Shading Units

1152

4

TMUs

96

4

ROPs

24

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

384 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

21.31 GPixel/s

1.600 GTexel/s

Texture Rate

85.25 GTexel/s

-

FP32 (float)

2.046 TFLOPS

-

FP64 (double)

85.25 GFLOPS

Board Design

Unknown

TDP

130W

200 W

Suggested PSU

300 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

RV410

GPU Name

GK104

-

GPU Variant

GK104-200-KD-A2

R400

Architecture

Kepler

TSMC

Foundry

TSMC

110 nm

Process Size

28 nm

0.12 billion

Transistors

3.54 billion

156 mm²

Die Size

294 mm²

Graphics Features

9.0b (9_2)

DirectX

12 (11_0)

2.0

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

-

Shader Model

5.1

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