NVIDIA GeForce 8800 GTS 320 vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce 8800 GTS 320

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Released 6 years and 10 months late

Boost Clock930MHz

More VRAM (2GB vs 320GB)

Larger VRAM bandwidth (73.60GB/s vs 63.36GB/s)

416 additional rendering cores

Lower TDP (65W vs 143W)

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320

0.228 TFLOPS

Radeon R9 255 OEM +317%

0.952 TFLOPS

GeForce 8800 GTS 320

VS

Radeon R9 255 OEM

Graphics Card

Feb 2007

Release Date

Dec 2013

GeForce 8

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

792 MHz

Memory Clock

1150 MHz

Memory

320MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

320bit

Memory Bus

128bit

63.36GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

12

SM Count

-

96

Shading Units

512

24

TMUs

32

20

ROPs

16

-

L1 Cache

16 KB (per CU)

80 KB

L2 Cache

256 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

14.88 GPixel/s

24.62 GTexel/s

Texture Rate

29.76 GTexel/s

-

228.1 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

59.52 GFLOPS

Board Design

143W

TDP

65W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

No outputs

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

Cape Verde

G80-100-K0-A2

GPU Variant

Cape Verde PRX

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

1.5 billion

484 mm²

Die Size

123 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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