AMD Radeon Sky 900 vs NVIDIA GeForce 8800 GTS 320

VS

AMD Radeon Sky 900

NVIDIA GeForce 8800 GTS 320

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 320MB VRAM GeForce 8800 GTS 320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages

Released 6 years and 1 months late

Boost Clock950MHz

More VRAM (3GB vs 320GB)

Larger VRAM bandwidth (240.0GB/s vs 63.36GB/s)

1696 additional rendering cores

NVIDIA GeForce 8800 GTS 320 's Advantages

Lower TDP (143W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900 +1393%

3.405 TFLOPS

GeForce 8800 GTS 320

0.228 TFLOPS

Radeon Sky 900

VS

GeForce 8800 GTS 320

Graphics Card

Mar 2013

Release Date

Feb 2007

Radeon Sky

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

825 MHz

Base Clock

-

950 MHz

Boost Clock

-

1250 MHz

Memory Clock

792 MHz

Memory

3GB

Memory Size

320MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

320bit

240.0GB/s

Bandwidth

63.36GB/s

Render Config

28

Compute Units

-

SM Count

12

1792

Shading Units

96

112

TMUs

24

32

ROPs

20

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

80 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

10.26 GPixel/s

106.4 GTexel/s

Texture Rate

24.62 GTexel/s

-

3.405 TFLOPS

FP32 (float)

228.1 GFLOPS

851.2 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

143W

700 W

Suggested PSU

300 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

G80

Orthrus

GPU Variant

G80-100-K0-A2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

4.313 billion

Transistors

0.681 billion

352 mm²

Die Size

484 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1 (1.0)

1.2

Vulkan

N/A

-

CUDA

1.0

5.1

Shader Model

4.0

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