AMD Radeon R9 255 OEM vs NVIDIA GeForce GT 330 OEM

VS

AMD Radeon R9 255 OEM

NVIDIA GeForce GT 330 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 1024MB VRAM GeForce GT 330 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 3 years and 10 months late

Boost Clock930MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (73.60GB/s vs 51.20GB/s)

416 additional rendering cores

Lower TDP (65W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM +296%

0.952 TFLOPS

GeForce GT 330 OEM

0.24 TFLOPS

Radeon R9 255 OEM

VS

GeForce GT 330 OEM

Graphics Card

Dec 2013

Release Date

Feb 2010

Volcanic Islands

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

930 MHz

Boost Clock

-

1150 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

73.60GB/s

Bandwidth

51.20GB/s

Render Config

8

Compute Units

-

SM Count

12

512

Shading Units

96

32

TMUs

48

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

4.000 GPixel/s

29.76 GTexel/s

Texture Rate

24.00 GTexel/s

-

952.3 GFLOPS

FP32 (float)

240.0 GFLOPS

59.52 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

75W

250 W

Suggested PSU

250 W

No outputs

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

G92

Cape Verde PRX

GPU Variant

-

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.5 billion

Transistors

0.754 billion

123 mm²

Die Size

324 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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