ATI Radeon X1600 vs AMD Radeon HD 7870 GHz Edition

VS

ATI Radeon X1600

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1600 and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1600 's Advantages

Lower TDP (27W vs 175W)

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 5 years and 2 months late

More VRAM (2GB vs 512GB)

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

1280 additional rendering cores

Score

Radeon X1600

VS

Radeon HD 7870 GHz Edition

Graphics Card

Jan 2007

Release Date

Mar 2012

Radeon R500 PCIe

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

153.6GB/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

32.00 GPixel/s

2.540 GTexel/s

Texture Rate

80.00 GTexel/s

-

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

27W

TDP

175W

200 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

RV516

GPU Name

Pitcairn

-

GPU Variant

Pitcairn XT (215-0828047)

R500

Architecture

GCN 1.0

UMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.107 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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