NVIDIA GeForce GTX 555 OEM vs AMD Radeon HD 6450

VS

NVIDIA GeForce GTX 555 OEM

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 555 OEM and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 555 OEM 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (91.87GB/s vs 25.60GB/s)

128 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 555 OEM +324%

0.848 TFLOPS

Radeon HD 6450

0.2 TFLOPS

GeForce GTX 555 OEM

VS

Radeon HD 6450

Graphics Card

May 2011

Release Date

Apr 2011

GeForce 500

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

64bit

91.87GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

2

6

SM Count

-

288

Shading Units

160

48

TMUs

8

24

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

8.832 GPixel/s

Pixel Rate

2.500 GPixel/s

35.33 GTexel/s

Texture Rate

5.000 GTexel/s

-

847.9 GFLOPS

FP32 (float)

200.0 GFLOPS

70.66 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

18W

450 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

GF114

GPU Name

Caicos

GF114-200-KB-A1

GPU Variant

Caicos PRO

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.37 billion

332 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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