AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce 6800 GS

VS

AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce 6800 GS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 256MB VRAM GeForce 6800 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 6 years and 3 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 32.00GB/s)

640 additional rendering cores

Score

Radeon HD 7770 GHz Edition

VS

GeForce 6800 GS

Graphics Card

Feb 2012

Release Date

Nov 2005

Southern Islands

Generation

GeForce 6 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

32.00GB/s

Render Config

10

Compute Units

-

640

Shading Units

-

40

TMUs

12

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

3.400 GPixel/s

40.00 GTexel/s

Texture Rate

5.100 GTexel/s

-

1280 GFLOPS

FP32 (float)

-

80.00 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

Unknown

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

NV41

Cape Verde XT

GPU Variant

-

GCN 1.0

Architecture

Curie

TSMC

Foundry

TSMC

28 nm

Process Size

130 nm

1.5 billion

Transistors

0.19 billion

123 mm²

Die Size

225 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.0 (full) 2.1 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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