NVIDIA GeForce 9400 GT PCI vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce 9400 GT PCI

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 256MB VRAM GeForce 9400 GT PCI and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT PCI 's Advantages

Lower TDP (50W vs 65W)

AMD Radeon R9 255 OEM 's Advantages

Released 5 years and 4 months late

Boost Clock930MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (73.60GB/s vs 12.80GB/s)

496 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9400 GT PCI

0.045 TFLOPS

Radeon R9 255 OEM +2015%

0.952 TFLOPS

GeForce 9400 GT PCI

VS

Radeon R9 255 OEM

Graphics Card

Aug 2008

Release Date

Dec 2013

GeForce 9

Generation

Volcanic Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

400 MHz

Memory Clock

1150 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

12.80GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

2

SM Count

-

16

Shading Units

512

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

14.88 GPixel/s

4.400 GTexel/s

Texture Rate

29.76 GTexel/s

-

44.80 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

59.52 GFLOPS

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

G96C

GPU Name

Cape Verde

-

GPU Variant

Cape Verde PRX

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.314 billion

Transistors

1.5 billion

121 mm²

Die Size

123 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

5.1

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