NVIDIA GeForce 8800 Ultra vs ATI FirePro V7770

VS

NVIDIA GeForce 8800 Ultra

ATI FirePro V7770

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 1024MB VRAM FirePro V7770 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 33.60GB/s)

ATI FirePro V7770 's Advantages

Released 4 years and 8 months late

More VRAM (1024GB vs 768GB)

672 additional rendering cores

Lower TDP (76W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

FirePro V7770 +158%

1 TFLOPS

GeForce 8800 Ultra

VS

FirePro V7770

Graphics Card

May 2007

Release Date

Jan 2012

GeForce 8

Generation

FirePro

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1080 MHz

Memory Clock

1050 MHz

Memory

768MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR4

384bit

Memory Bus

128bit

103.7GB/s

Bandwidth

33.60GB/s

Render Config

-

Compute Units

10

16

SM Count

-

128

Shading Units

800

32

TMUs

40

24

ROPs

8

-

L1 Cache

16 KB (per CU)

96 KB

L2 Cache

128 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

5.000 GPixel/s

39.17 GTexel/s

Texture Rate

25.00 GTexel/s

-

387.1 GFLOPS

FP32 (float)

1000 GFLOPS

-

Board Design

171W

TDP

76W

450 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

RV770

G80-450-A3

GPU Variant

RV770 XT (215-0669049)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

90 nm

Process Size

55 nm

0.681 billion

Transistors

0.956 billion

484 mm²

Die Size

256 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1 (1.0)

OpenCL

1.1

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

4.1

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