NVIDIA GeForce 9400 GT PCI vs AMD Radeon HD 6850 1440SP Edition

VS

NVIDIA GeForce 9400 GT PCI

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 256MB VRAM GeForce 9400 GT PCI and 1024MB VRAM Radeon HD 6850 1440SP Edition 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 151W)

AMD Radeon HD 6850 1440SP Edition 's Advantages

Released 4 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (128.0GB/s vs 12.80GB/s)

1424 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9400 GT PCI

0.045 TFLOPS

Radeon HD 6850 1440SP Edition +4540%

2.088 TFLOPS

GeForce 9400 GT PCI

VS

Radeon HD 6850 1440SP Edition

Graphics Card

Aug 2008

Release Date

Aug 2012

GeForce 9

Generation

Northern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

18

2

SM Count

-

16

Shading Units

1440

8

TMUs

72

4

ROPs

32

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

23.20 GPixel/s

4.400 GTexel/s

Texture Rate

52.20 GTexel/s

-

44.80 GFLOPS

FP32 (float)

2.088 TFLOPS

-

FP64 (double)

417.6 GFLOPS

Board Design

50W

TDP

151W

250 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

None

Power Connectors

2x 6-pin

Graphics Processor

G96C

GPU Name

Cypress

-

GPU Variant

Cypress PRO (215-0735043)

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.314 billion

Transistors

2.154 billion

121 mm²

Die Size

334 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

5.0

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