ATI Radeon HD 5770 X2 vs NVIDIA GeForce 8800 Ultra

VS

ATI Radeon HD 5770 X2

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 X2 and 768MB VRAM GeForce 8800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 X2 's Advantages

Released 3 years and 5 months late

More VRAM (1024GB vs 768GB)

672 additional rendering cores

NVIDIA GeForce 8800 Ultra 's Advantages

Larger VRAM bandwidth (103.7GB/s vs 76.80GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 5770 X2 +251%

1.36 TFLOPS

GeForce 8800 Ultra

0.387 TFLOPS

Radeon HD 5770 X2

VS

GeForce 8800 Ultra

Graphics Card

Oct 2010

Release Date

May 2007

Evergreen

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1080 MHz

Memory

1024MB

Memory Size

768MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

384bit

76.80GB/s

Bandwidth

103.7GB/s

Render Config

10

Compute Units

-

SM Count

16

800

Shading Units

128

40

TMUs

32

16

ROPs

24

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

96 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

14.69 GPixel/s

34.00 GTexel/s

Texture Rate

39.17 GTexel/s

-

1360 GFLOPS

FP32 (float)

387.1 GFLOPS

-

Board Design

Unknown

TDP

171W

200 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

-

Power Connectors

2x 6-pin

Graphics Processor

Juniper

GPU Name

G80

Juniper XT (215-0754013)

GPU Variant

G80-450-A3

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

1.04 billion

Transistors

0.681 billion

166 mm²

Die Size

484 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1 (1.0)

N/A

Vulkan

N/A

-

CUDA

1.0

5.0

Shader Model

4.0

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