NVIDIA GeForce 8400 vs AMD Radeon HD 6450 OEM

VS

NVIDIA GeForce 8400

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages

Released 3 years and 2 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (8.528GB/s vs 8.000GB/s)

152 additional rendering cores

Lower TDP (18W vs 25W)

Score

Benchmark

FP32 (float)

GeForce 8400

0.021 TFLOPS

Radeon HD 6450 OEM +852%

0.2 TFLOPS

GeForce 8400

VS

Radeon HD 6450 OEM

Graphics Card

Dec 2007

Release Date

Feb 2011

GeForce 8

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

533 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

64bit

8.000GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

1

SM Count

-

8

Shading Units

160

4

TMUs

8

4

ROPs

4

-

L1 Cache

8 KB (per CU)

16 KB

L2 Cache

128 KB

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

2.500 GPixel/s

2.160 GTexel/s

Texture Rate

5.000 GTexel/s

-

20.80 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

25W

TDP

18W

200 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

G98

GPU Name

Caicos

-

GPU Variant

Junbonator

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.21 billion

Transistors

0.37 billion

86 mm²

Die Size

67 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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