ATI Radeon HD 4450 vs AMD Radeon HD 7750

VS

ATI Radeon HD 4450

AMD Radeon HD 7750

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 1024MB VRAM Radeon HD 7750 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 55W)

AMD Radeon HD 7750 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 6.400GB/s)

432 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

Radeon HD 7750 +753%

0.819 TFLOPS

Radeon HD 4450

VS

Radeon HD 7750

Graphics Card

Nov 2011

Release Date

Feb 2012

Radeon R700

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1125 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

72.00GB/s

Render Config

1

Compute Units

8

-

80

Shading Units

512

8

TMUs

32

4

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

12.80 GPixel/s

4.800 GTexel/s

Texture Rate

25.60 GTexel/s

-

96.00 GFLOPS

FP32 (float)

819.2 GFLOPS

-

FP64 (double)

51.20 GFLOPS

Board Design

25W

TDP

55W

200 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

None

Graphics Processor

RV710

GPU Name

Cape Verde

RV710 (215-0725016)

GPU Variant

Cape Verde PRO

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.242 billion

Transistors

1.5 billion

73 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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