ATI Radeon X1650 GT vs AMD Radeon HD 6990

VS

ATI Radeon X1650 GT

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 128MB VRAM Radeon X1650 GT and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Released 3 years and 10 months late

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)

1536 additional rendering cores

Score

Radeon X1650 GT

VS

Radeon HD 6990

Graphics Card

May 2007

Release Date

Mar 2011

Radeon R500 PCIe

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1250 MHz

Memory

128MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

-

Shading Units

1536

8

TMUs

96

8

ROPs

32

-

L1 Cache

8 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

26.56 GPixel/s

3.200 GTexel/s

Texture Rate

79.68 GTexel/s

-

FP32 (float)

2.550 TFLOPS

-

FP64 (double)

637.4 GFLOPS

Board Design

Unknown

TDP

375W

200 W

Suggested PSU

750 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

RV560

GPU Name

Antilles

RV560 GT

GPU Variant

Antilles XT (215-0807027)

Ultra-Threaded SE

Architecture

TeraScale 3

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.312 billion

Transistors

2.64 billion

230 mm²

Die Size

389 mm²

Graphics Features

9.0c (9_3)

DirectX

11.2 (11_0)

2.1

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

3.0

Shader Model

5.0

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