NVIDIA GeForce GTX 490 vs AMD Radeon HD 7450 OEM

VS

NVIDIA GeForce GTX 490 AMD Radeon HD 7450 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 512MB VRAM Radeon HD 7450 OEM 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 8.528GB/s)

320 additional rendering cores

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490 +483%

1.166 TFLOPS

Radeon HD 7450 OEM

0.2 TFLOPS

GeForce GTX 490

VS

Radeon HD 7450 OEM

Graphics Card

Unknown

Release Date

Jan 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

854 MHz

Memory Clock

533 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

64bit

164.0GB/s

Bandwidth

8.528GB/s

Render Config

15

SM Count

-

Compute Units

2

480

Shading Units

160

60

TMUs

8

48

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

Theoretical Performance

18.24 GPixel/s

Pixel Rate

2.500 GPixel/s

36.48 GTexel/s

Texture Rate

5.000 GTexel/s

-

FP16 (half)

-

1166 GFLOPS

FP32 (float)

200.0 GFLOPS

145.8 GFLOPS

FP64 (double)

-

Graphics Processor

GF100

GPU Name

Caicos

GF100-375-A3

GPU Variant

Caimour

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3.1 billion

Transistors

0.37 billion

529 mm²

Die Size

67 mm²

Board Design

365W

TDP

18W

750 W

Suggested PSU

200 W

3x DVI 1x mini-DisplayPort

Outputs

1x DVI 1x HDMI 1.3a

2x 8-pin

Power Connectors

None

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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