AMD Radeon Sky 700 vs NVIDIA GeForce 8800 Ultra

VS

AMD Radeon Sky 700

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 6GB VRAM Radeon Sky 700 and 768MB VRAM GeForce 8800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 700 's Advantages

Released 5 years and 10 months late

More VRAM (6GB vs 768GB)

Larger VRAM bandwidth (264.0GB/s vs 103.7GB/s)

1664 additional rendering cores

NVIDIA GeForce 8800 Ultra 's Advantages

Lower TDP (171W vs 225W)

Score

Benchmark

FP32 (float)

Radeon Sky 700 +733%

3.226 TFLOPS

GeForce 8800 Ultra

0.387 TFLOPS

Radeon Sky 700

VS

GeForce 8800 Ultra

Graphics Card

Mar 2013

Release Date

May 2007

Radeon Sky

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1080 MHz

Memory

6GB

Memory Size

768MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

103.7GB/s

Render Config

28

Compute Units

-

SM Count

16

1792

Shading Units

128

112

TMUs

32

ROPs

24

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

96 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

14.69 GPixel/s

100.8 GTexel/s

Texture Rate

39.17 GTexel/s

-

3.226 TFLOPS

FP32 (float)

387.1 GFLOPS

806.4 GFLOPS

FP64 (double)

-

Board Design

225W

TDP

171W

550 W

Suggested PSU

450 W

1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

G80

Tahiti PRO GL

GPU Variant

G80-450-A3

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

4.313 billion

Transistors

0.681 billion

352 mm²

Die Size

484 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1 (1.0)

1.2

Vulkan

N/A

-

CUDA

1.0

5.1

Shader Model

4.0

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