AMD Radeon HD 7450 OEM vs NVIDIA GeForce GT 620

VS

AMD Radeon HD 7450 OEM

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages

64 additional rendering cores

Lower TDP (18W vs 49W)

NVIDIA GeForce GT 620 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (14.40GB/s vs 8.528GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

GeForce GT 620 +34%

0.269 TFLOPS

Radeon HD 7450 OEM

VS

GeForce GT 620

Graphics Card

Jan 2012

Release Date

May 2012

Southern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

8.528GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

-

SM Count

2

160

Shading Units

96

8

TMUs

16

4

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

2.800 GPixel/s

5.000 GTexel/s

Texture Rate

11.20 GTexel/s

-

200.0 GFLOPS

FP32 (float)

268.8 GFLOPS

-

FP64 (double)

22.40 GFLOPS

Board Design

18W

TDP

49W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

GF108

Caimour

GPU Variant

GF108-100-KB-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.585 billion

67 mm²

Die Size

116 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

2.1

5.0

Shader Model

5.1

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