AMD Radeon HD 6990 vs ATI Radeon X1950 GT AGP

VS

AMD Radeon HD 6990

ATI Radeon X1950 GT AGP

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 256MB VRAM Radeon X1950 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Released 4 years and 1 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 38.40GB/s)

1536 additional rendering cores

ATI Radeon X1950 GT AGP 's Advantages

Lower TDP (57W vs 375W)

Score

Radeon HD 6990

VS

Radeon X1950 GT AGP

Graphics Card

Mar 2011

Release Date

Feb 2007

Northern Islands

Generation

Radeon R500 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1250 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

38.40GB/s

Render Config

24

Compute Units

-

1536

Shading Units

-

96

TMUs

12

32

ROPs

12

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

6.000 GPixel/s

79.68 GTexel/s

Texture Rate

6.000 GTexel/s

-

2.550 TFLOPS

FP32 (float)

-

637.4 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

57W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

2x Molex

Graphics Processor

Antilles

GPU Name

RV570

Antilles XT (215-0807027)

GPU Variant

RV570 XL

TeraScale 3

Architecture

R500

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.64 billion

Transistors

0.33 billion

389 mm²

Die Size

230 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1 (full) 3.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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