Muhammad Aldino: PS3 VS Xbox360 consoles GPU performance comparison Review Xenos GPU VS Cell Broadband CPU Engine

PS3 VS Xbox360 consoles GPU performance comparison Review Xenos GPU VS Cell Broadband CPU Engine

Muhammad Aldino , 0 Comments

PS3 VS Xbox360 consoles GPU performance comparison Review Xenos GPU VS Cell Broadband CPU Engine

There are three critical performance aspects of a console:

* Central Processing Unit (CPU) performance.
* The Xbox 360 CPU architecture has three times the general purpose processing power of the Cell.
* Graphics Processing Unit (GPU) performance
* The Xbox 360 GPU design is more flexible and it has more processing power than the PS3 GPU.
* Memory System Bandwidth
* The memory system bandwidth in Xbox 360 exceeds the PS3's by five times.

PlayStation 3

Cell Broadband Engine

PowerPC Core (PPE) at 3.2 GHz
512KB L2 Cache
7x Synergistic Processing Elements (SPE) at 3.2 GHz
256KB SRAM Local Memory per SPE (1.75MB Total)
217.6 GFLOPS

NVIDIA Reality Synthesizer (RSX) GPU

500 MHz
24 Pixel Shader Pipelines
8 Vertex Shader Pipelines
8 Pixel Rendering Pipelines (Raster Units)
1.1 Billion Vertices per Second
250 Million Triangles per Second
12 Gigatexels per Second
8 Gigasamples per Second Fill Rate (2x MSAA)

FlexIO Interface

Twelve 8-bit Unidirectional Lanes
Five Inbound Lanes (15 GB/sec RSX to Cell)
Seven Outbound Lanes (20 GB/sec Cell to RSX)
35 GB/sec Total Bandwidth

Main Memory

256MB 400MHz RAMBUS XDR RAM
64-bit Interface
3.2 Gigabits per Second per Pin
25.6 Gigabytes per Second Bandwidth

Video Memory

256MB 650MHz GDDR3 RAM
128-bit Interface
1.3 Gigabits per Second per Pin
20.8 Gigabytes per Second Bandwidth

Storage

2.5-inch Hard Drive
2x Blu-ray (50GB Capacity, 72 Mbps Transfer)

Xbox 360

Xenos GPU specs

Custom ATI Graphics Processor
500 MHz
48 Dynamically Scheduled Shader Pipelines
Unified Shader Architecture
500 Million Triangles per Second
48 Billion Shader Operations per Second
16 Gigasamples per Second Fill Rate (4x MSAA)
10MB Embedded DRAM with 256 GB/s Memory Bandwidth

Xenon CPU

Custom IBM PowerPC-based CPU
Three Symmetrical Cores at 3.2 GHz
Two Threads per Core (Six Threads Total)
VMX-128 Vector Unit per Core (Three Total)
1MB L2 Cache
9.6 Billion Dot Product Operations per Second
115.2 GFLOPS

Audio

Multichannel Surround Sound Output
48KHz 16-bit Audio
320 Independent Decompression Channels
32-bit Processing
Over 256 Audio Channels

Memory

512MB 700MHz GDDR3 RAM
128-Bit Interface
1.4 Gigabits per Second per Pin
22.4 Gigabytes per Second Bandwidth
Unified Memory Architecture

Storage

Detachable and Upgradeable Hard Drive
12x Dual-Layer DVD-ROM
Memory Units

PS3 VS Xbox360 Benchmark Test :

by gamespy.com

The Xbox 360's CPU has more general purpose processing power because it has three general purpose cores, and Cell has just one.

Cell's claimed advantage is on streaming floating point work which is done on its seven DSP processors.

The Xbox 360 GPU has more processing power than the PS3's. In addition, its innovated features contribute to overall rendering performance.

Xbox 360 has 278.4 GB/s of memory system bandwidth. The PS3 has less than one-fifth of Xbox 360's (48 GB/s) of total memory system bandwidth.

CONCLUSION
When you break down the numbers, Xbox 360 has provably more performance than PS3. Keep in mind that Sony has a track record of over promising and under delivering on technical performance. The truth is that both systems pack a lot of power for high definition games and entertainment."

However, hardware performance, while important, is only a third of the puzzle. Xbox 360 is a fusion of hardware, software and services. Without the software and services to power it, even the most powerful hardware becomes inconsequential. Xbox 360 games—by leveraging cutting-edge hardware, software, and services—will outperform the PlayStation 3."

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