NVIDIA GeForce GTX 490 vs ATI Radeon HD 5450

VS

NVIDIA GeForce GTX 490

ATI Radeon HD 5450

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 512MB VRAM Radeon HD 5450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (164.0GB/s vs 6.400GB/s)

400 additional rendering cores

ATI Radeon HD 5450 's Advantages

Lower TDP (19W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490 +1021%

1.166 TFLOPS

Radeon HD 5450

0.104 TFLOPS

GeForce GTX 490

VS

Radeon HD 5450

Graphics Card

Unknown

Release Date

Feb 2010

GeForce 400

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

854 MHz

Memory Clock

400 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

164.0GB/s

Bandwidth

6.400GB/s

Render Config

-

Compute Units

2

15

SM Count

-

480

Shading Units

80

60

TMUs

8

48

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

2.600 GPixel/s

36.48 GTexel/s

Texture Rate

5.200 GTexel/s

-

1166 GFLOPS

FP32 (float)

104.0 GFLOPS

145.8 GFLOPS

FP64 (double)

-

Board Design

365W

TDP

19W

750 W

Suggested PSU

200 W

3x DVI 1x mini-DisplayPort

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

GF100

GPU Name

Cedar

GF100-375-A3

GPU Variant

Cedar PRO

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3.1 billion

Transistors

0.292 billion

529 mm²

Die Size

59 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

2.0

CUDA

-

5.1

Shader Model

5.0

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