AMD Radeon HD 7450 OEM vs NVIDIA GeForce 8800 Ultra

VS

AMD Radeon HD 7450 OEM

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 768MB VRAM GeForce 8800 Ultra 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 4 years and 8 months late

32 additional rendering cores

Lower TDP (18W vs 171W)

NVIDIA GeForce 8800 Ultra 's Advantages

More VRAM (768GB vs 512GB)

Larger VRAM bandwidth (103.7GB/s vs 8.528GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

GeForce 8800 Ultra +93%

0.387 TFLOPS

Radeon HD 7450 OEM

VS

GeForce 8800 Ultra

Graphics Card

Jan 2012

Release Date

May 2007

Southern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

533 MHz

Memory Clock

1080 MHz

Memory

512MB

Memory Size

768MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

384bit

8.528GB/s

Bandwidth

103.7GB/s

Render Config

2

Compute Units

-

SM Count

16

160

Shading Units

128

8

TMUs

32

4

ROPs

24

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

96 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

14.69 GPixel/s

5.000 GTexel/s

Texture Rate

39.17 GTexel/s

-

200.0 GFLOPS

FP32 (float)

387.1 GFLOPS

-

Board Design

18W

TDP

171W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

Caicos

GPU Name

G80

Caimour

GPU Variant

G80-450-A3

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

0.37 billion

Transistors

0.681 billion

67 mm²

Die Size

484 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1 (1.0)

N/A

Vulkan

N/A

-

CUDA

1.0

5.0

Shader Model

4.0

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