AMD Radeon HD 7870 GHz Edition vs ATI Radeon X1650

VS

AMD Radeon HD 7870 GHz Edition

ATI Radeon X1650

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 256MB VRAM Radeon X1650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 6.400GB/s)

1280 additional rendering cores

Score

Radeon HD 7870 GHz Edition

VS

Radeon X1650

Graphics Card

Mar 2012

Release Date

Nov 2007

Southern 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

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

6.400GB/s

Render Config

20

Compute Units

-

1280

Shading Units

-

80

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.540 GPixel/s

80.00 GTexel/s

Texture Rate

2.540 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

RV516

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

UMC

28 nm

Process Size

90 nm

2.8 billion

Transistors

0.105 billion

212 mm²

Die Size

100 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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