NVIDIA GeForce 8800 Ultra vs AMD Radeon HD 8550 OEM

VS

NVIDIA GeForce 8800 Ultra

AMD Radeon HD 8550 OEM

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 1024MB VRAM Radeon HD 8550 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 Ultra 's Advantages

Larger VRAM bandwidth (103.7GB/s vs 25.60GB/s)

AMD Radeon HD 8550 OEM 's Advantages

Released 6 years and 5 months late

More VRAM (1024GB vs 768GB)

352 additional rendering cores

Lower TDP (60W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

Radeon HD 8550 OEM +61%

0.624 TFLOPS

GeForce 8800 Ultra

VS

Radeon HD 8550 OEM

Graphics Card

May 2007

Release Date

Oct 2013

GeForce 8

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1080 MHz

Memory Clock

800 MHz

Memory

768MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

384bit

Memory Bus

128bit

103.7GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

6

16

SM Count

-

128

Shading Units

480

32

TMUs

24

ROPs

8

-

L1 Cache

8 KB (per CU)

96 KB

L2 Cache

256 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

5.200 GPixel/s

39.17 GTexel/s

Texture Rate

15.60 GTexel/s

-

387.1 GFLOPS

FP32 (float)

624.0 GFLOPS

-

Board Design

171W

TDP

60W

450 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

G80

GPU Name

Turks

G80-450-A3

GPU Variant

Turks PRO (215-0803002)

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.681 billion

Transistors

0.716 billion

484 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1 (1.0)

OpenCL

1.2

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

5.0

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