NVIDIA GeForce 8800 GTS 320 vs AMD Radeon Sky 900

VS

NVIDIA GeForce 8800 GTS 320

AMD Radeon Sky 900

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

Main Differences

NVIDIA GeForce 8800 GTS 320 's Advantages

Lower TDP (143W vs 300W)

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

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320

0.228 TFLOPS

Radeon Sky 900 +1393%

3.405 TFLOPS

GeForce 8800 GTS 320

VS

Radeon Sky 900

Graphics Card

Feb 2007

Release Date

Mar 2013

GeForce 8

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

825 MHz

-

Boost Clock

950 MHz

792 MHz

Memory Clock

1250 MHz

Memory

320MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

320bit

Memory Bus

384bit

63.36GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

12

SM Count

-

96

Shading Units

1792

24

TMUs

112

20

ROPs

32

-

L1 Cache

16 KB (per CU)

80 KB

L2 Cache

768 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

30.40 GPixel/s

24.62 GTexel/s

Texture Rate

106.4 GTexel/s

-

228.1 GFLOPS

FP32 (float)

3.405 TFLOPS

-

FP64 (double)

851.2 GFLOPS

Board Design

143W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x S-Video

Outputs

1x DVI 1x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

G80

GPU Name

Tahiti

G80-100-K0-A2

GPU Variant

Orthrus

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

4.313 billion

484 mm²

Die Size

352 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1 (1.0)

OpenCL

1.2

N/A

Vulkan

1.2

1.0

CUDA

-

4.0

Shader Model

5.1

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