ATI Radeon X1650 vs AMD Radeon HD 6990

VS

ATI Radeon X1650

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1650 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 4 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 6.400GB/s)

1536 additional rendering cores

Score

Radeon X1650

VS

Radeon HD 6990

Graphics Card

Nov 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

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

-

Shading Units

1536

4

TMUs

96

4

ROPs

32

-

L1 Cache

8 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

2.540 GPixel/s

Pixel Rate

26.56 GPixel/s

2.540 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

RV516

GPU Name

Antilles

-

GPU Variant

Antilles XT (215-0807027)

Ultra-Threaded SE

Architecture

TeraScale 3

UMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.105 billion

Transistors

2.64 billion

100 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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