AMD Radeon HD 8870 OEM vs ATI Radeon X1650 GT

VS

AMD Radeon HD 8870 OEM

ATI Radeon X1650 GT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 128MB VRAM Radeon X1650 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Released 5 years and 8 months late

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (153.6GB/s vs 12.80GB/s)

1280 additional rendering cores

Score

Radeon HD 8870 OEM

VS

Radeon X1650 GT

Graphics Card

Jan 2013

Release Date

May 2007

Sea Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

12.80GB/s

Render Config

20

Compute Units

-

1280

Shading Units

-

80

TMUs

8

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

3.200 GPixel/s

80.00 GTexel/s

Texture Rate

3.200 GTexel/s

-

2.560 TFLOPS

FP32 (float)

-

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

RV560

Pitcairn XT (215-0828047)

GPU Variant

RV560 GT

GCN 1.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.8 billion

Transistors

0.312 billion

212 mm²

Die Size

230 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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