AMD Radeon HD 7450 OEM vs NVIDIA GeForce GTX 490

VS

AMD Radeon HD 7450 OEM

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 365W)

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (164.0GB/s vs 8.528GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

GeForce GTX 490 +483%

1.166 TFLOPS

Radeon HD 7450 OEM

VS

GeForce GTX 490

Graphics Card

Jan 2012

Release Date

Unknown

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

854 MHz

Memory

512MB

Memory Size

1536MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

8.528GB/s

Bandwidth

164.0GB/s

Render Config

2

Compute Units

-

SM Count

15

160

Shading Units

480

8

TMUs

60

4

ROPs

48

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

768 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

18.24 GPixel/s

5.000 GTexel/s

Texture Rate

36.48 GTexel/s

-

200.0 GFLOPS

FP32 (float)

1166 GFLOPS

-

FP64 (double)

145.8 GFLOPS

Board Design

18W

TDP

365W

200 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.3a

Outputs

3x DVI 1x mini-DisplayPort

None

Power Connectors

2x 8-pin

Graphics Processor

Caicos

GPU Name

GF100

Caimour

GPU Variant

GF100-375-A3

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

3.1 billion

67 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

5.0

Shader Model

5.1

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