NVIDIA GeForce 8800 GTS 320 vs AMD Radeon Sky 500

VS

NVIDIA GeForce 8800 GTS 320

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 and 4GB VRAM Radeon Sky 500 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 150W)

AMD Radeon Sky 500 's Advantages

Released 6 years and 1 months late

More VRAM (4GB vs 320GB)

Larger VRAM bandwidth (153.6GB/s vs 63.36GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320

0.228 TFLOPS

Radeon Sky 500 +966%

2.432 TFLOPS

GeForce 8800 GTS 320

VS

Radeon Sky 500

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

-

792 MHz

Memory Clock

1200 MHz

Memory

320MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

320bit

Memory Bus

256bit

63.36GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

12

SM Count

-

96

Shading Units

1280

24

TMUs

80

20

ROPs

32

-

L1 Cache

16 KB (per CU)

80 KB

L2 Cache

512 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

30.40 GPixel/s

24.62 GTexel/s

Texture Rate

76.00 GTexel/s

-

228.1 GFLOPS

FP32 (float)

2.432 TFLOPS

-

FP64 (double)

152.0 GFLOPS

Board Design

143W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

1x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

Pitcairn

G80-100-K0-A2

GPU Variant

Pitcairn XT GL (215-0828073)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

2.8 billion

484 mm²

Die Size

212 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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