NVIDIA GeForce 8800 Ultra vs AMD Radeon Sky 700

VS

NVIDIA GeForce 8800 Ultra AMD Radeon Sky 700

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

Main Differences

NVIDIA GeForce 8800 Ultra 's Advantages

Lower TDP (171W vs 225W)

AMD Radeon Sky 700 's Advantages

Released 5 years and 10 months late

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

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

Radeon Sky 700 +733%

3.226 TFLOPS

GeForce 8800 Ultra

VS

Radeon Sky 700

Graphics Card

May 2007

Release Date

Mar 2013

GeForce 8

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1080 MHz

Memory Clock

1375 MHz

Memory

768MB

Memory Size

6GB

GDDR3

Memory Type

GDDR5

384bit

Memory Bus

384bit

103.7GB/s

Bandwidth

264.0GB/s

Render Config

16

SM Count

-

Compute Units

28

128

Shading Units

1792

32

TMUs

112

24

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

96 KB

L2 Cache

768 KB

Theoretical Performance

14.69 GPixel/s

Pixel Rate

28.80 GPixel/s

39.17 GTexel/s

Texture Rate

100.8 GTexel/s

-

FP16 (half)

-

387.1 GFLOPS

FP32 (float)

3.226 TFLOPS

-

FP64 (double)

806.4 GFLOPS

Graphics Processor

G80

GPU Name

Tahiti

G80-450-A3

GPU Variant

Tahiti PRO GL

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

4.313 billion

484 mm²

Die Size

352 mm²

Board Design

171W

TDP

225W

450 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

1x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 8-pin

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1 (1.0)

OpenCL

1.2

N/A

Vulkan

1.2

1.0

CUDA

-

4.0

Shader Model

5.1

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