ATI Radeon X1650 vs AMD Radeon R9 270

VS

ATI Radeon X1650

AMD Radeon R9 270

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1650 and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages

Released 6 years late

Boost Clock925MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (179.2GB/s vs 6.400GB/s)

1280 additional rendering cores

Score

Radeon X1650

VS

Radeon R9 270

Graphics Card

Nov 2007

Release Date

Nov 2013

Radeon R500 PCIe

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

400 MHz

Memory Clock

1400 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

20

-

Shading Units

1280

4

TMUs

80

4

ROPs

32

-

L1 Cache

16 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

2.540 GPixel/s

Pixel Rate

29.60 GPixel/s

2.540 GTexel/s

Texture Rate

74.00 GTexel/s

-

FP32 (float)

2.368 TFLOPS

-

FP64 (double)

148.0 GFLOPS

Board Design

Unknown

TDP

150W

200 W

Suggested PSU

450 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

RV516

GPU Name

Curacao

-

GPU Variant

Curacao PRO (215-0848000)

Ultra-Threaded SE

Architecture

GCN 1.0

UMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.105 billion

Transistors

2.8 billion

100 mm²

Die Size

212 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_1)

2.1

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

3.0

Shader Model

5.1

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