ATI Radeon HD 4450 vs NVIDIA GeForce GTX 650

VS

ATI Radeon HD 4450

NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 65W)

NVIDIA GeForce GTX 650 's Advantages

Released 10 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (80.00GB/s vs 6.400GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

GeForce GTX 650 +745%

0.812 TFLOPS

Radeon HD 4450

VS

GeForce GTX 650

Graphics Card

Nov 2011

Release Date

Sep 2012

Radeon R700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

80.00GB/s

Render Config

1

Compute Units

-

80

Shading Units

384

8

TMUs

32

4

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

8.464 GPixel/s

4.800 GTexel/s

Texture Rate

33.86 GTexel/s

-

96.00 GFLOPS

FP32 (float)

812.5 GFLOPS

-

FP64 (double)

33.86 GFLOPS

Board Design

25W

TDP

65W

200 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

RV710

GPU Name

GK107

RV710 (215-0725016)

GPU Variant

GK107-450-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.242 billion

Transistors

1.27 billion

73 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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