AMD Radeon R9 295X2 vs ATI Radeon X1550 PCI

VS

AMD Radeon R9 295X2

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 295X2 's Advantages

Released 7 years and 3 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (320.0GB/s vs 4.256GB/s)

2816 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 500W)

Score

Radeon R9 295X2

VS

Radeon X1550 PCI

Graphics Card

Apr 2014

Release Date

Jan 2007

Volcanic Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

266 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

512bit

Memory Bus

64bit

320.0GB/s

Bandwidth

4.256GB/s

Render Config

44

Compute Units

-

2816

Shading Units

-

176

TMUs

4

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

65.15 GPixel/s

Pixel Rate

1.808 GPixel/s

179.2 GTexel/s

Texture Rate

1.808 GTexel/s

-

5.733 TFLOPS

FP32 (float)

-

716.7 GFLOPS

FP64 (double)

-

Board Design

500W

TDP

27W

900 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Vesuvius

GPU Name

RV516

Vesuvius XT (215-0852022)

GPU Variant

-

GCN 2.0

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

6.2 billion

Transistors

0.107 billion

438 mm²

Die Size

100 mm²

Graphics Features

12 (12_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

3.0

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