NVIDIA GeForce GTX 275 PhysX Edition vs ATI Radeon HD 4450

VS

NVIDIA GeForce GTX 275 PhysX Edition ATI Radeon HD 4450

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 PhysX Edition and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 275 PhysX Edition 's Advantages

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (127.0GB/s vs 6.400GB/s)

160 additional rendering cores

ATI Radeon HD 4450 's Advantages

Released 1 years and 9 months late

Lower TDP (25W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275 PhysX Edition +547%

0.622 TFLOPS

Radeon HD 4450

0.096 TFLOPS

GeForce GTX 275 PhysX Edition

VS

Radeon HD 4450

Graphics Card

Feb 2010

Release Date

Nov 2011

GeForce 200

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1134 MHz

Memory Clock

400 MHz

Memory

896MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

448bit

Memory Bus

64bit

127.0GB/s

Bandwidth

6.400GB/s

Render Config

30

SM Count

-

Compute Units

1

240

Shading Units

80

TMUs

8

28

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

64 KB

Theoretical Performance

17.72 GPixel/s

Pixel Rate

2.400 GPixel/s

50.64 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

622.1 GFLOPS

FP32 (float)

96.00 GFLOPS

77.76 GFLOPS

FP64 (double)

-

Graphics Processor

G92B

GPU Name

RV710

G92-421-B1

GPU Variant

RV710 (215-0725016)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.754 billion

Transistors

0.242 billion

260 mm²

Die Size

73 mm²

Board Design

219W

TDP

25W

550 W

Suggested PSU

200 W

2x DVI

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.1

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