AMD Radeon HD 7450 OEM vs NVIDIA GeForce GTX 275 PhysX Edition

VS

AMD Radeon HD 7450 OEM

NVIDIA GeForce GTX 275 PhysX Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 896MB VRAM GeForce GTX 275 PhysX Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages

Released 1 years and 11 months late

Lower TDP (18W vs 219W)

NVIDIA GeForce GTX 275 PhysX Edition 's Advantages

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (127.0GB/s vs 8.528GB/s)

80 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

GeForce GTX 275 PhysX Edition +211%

0.622 TFLOPS

Radeon HD 7450 OEM

VS

GeForce GTX 275 PhysX Edition

Graphics Card

Jan 2012

Release Date

Feb 2010

Southern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

1134 MHz

Memory

512MB

Memory Size

896MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

448bit

8.528GB/s

Bandwidth

127.0GB/s

Render Config

2

Compute Units

-

SM Count

30

160

Shading Units

240

8

TMUs

80

4

ROPs

28

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

224 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

17.72 GPixel/s

5.000 GTexel/s

Texture Rate

50.64 GTexel/s

-

200.0 GFLOPS

FP32 (float)

622.1 GFLOPS

-

FP64 (double)

77.76 GFLOPS

Board Design

18W

TDP

219W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Caicos

GPU Name

G92B

Caimour

GPU Variant

G92-421-B1

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.754 billion

67 mm²

Die Size

260 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

5.0

Shader Model

4.0

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