AMD Radeon Sky 700 vs NVIDIA GeForce 6800 XT

VS

AMD Radeon Sky 700

NVIDIA GeForce 6800 XT

We compared two Desktop platform GPUs: 6GB VRAM Radeon Sky 700 and 256MB VRAM GeForce 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 700 's Advantages

Released 7 years and 6 months late

More VRAM (6GB vs 256GB)

Larger VRAM bandwidth (264.0GB/s vs 38.40GB/s)

1792 additional rendering cores

Score

Radeon Sky 700

VS

GeForce 6800 XT

Graphics Card

Mar 2013

Release Date

Sep 2005

Radeon Sky

Generation

GeForce 6 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1375 MHz

Memory Clock

600 MHz

Memory

6GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

38.40GB/s

Render Config

28

Compute Units

-

1792

Shading Units

-

112

TMUs

12

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

3.600 GPixel/s

100.8 GTexel/s

Texture Rate

5.400 GTexel/s

-

3.226 TFLOPS

FP32 (float)

-

806.4 GFLOPS

FP64 (double)

-

Board Design

225W

TDP

Unknown

550 W

Suggested PSU

200 W

1x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

1x Molex

Graphics Processor

Tahiti

GPU Name

NV42

Tahiti PRO GL

GPU Variant

6800 XT

GCN 1.0

Architecture

Curie

TSMC

Foundry

TSMC

28 nm

Process Size

110 nm

4.313 billion

Transistors

0.202 billion

352 mm²

Die Size

222 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.0 (full) 2.1 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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