AMD Radeon HD 7450 OEM vs ATI Radeon HD 4860

VS

AMD Radeon HD 7450 OEM

ATI Radeon HD 4860

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 512MB VRAM Radeon HD 4860 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 2 years and 4 months late

Lower TDP (18W vs 130W)

ATI Radeon HD 4860 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 8.528GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon HD 4860 +348%

0.896 TFLOPS

Radeon HD 7450 OEM

VS

Radeon HD 4860

Graphics Card

Jan 2012

Release Date

Sep 2009

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

750 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

8.528GB/s

Bandwidth

96.00GB/s

Render Config

2

Compute Units

8

-

160

Shading Units

640

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

11.20 GPixel/s

5.000 GTexel/s

Texture Rate

22.40 GTexel/s

-

200.0 GFLOPS

FP32 (float)

896.0 GFLOPS

-

FP64 (double)

179.2 GFLOPS

Board Design

18W

TDP

130W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

Caicos

GPU Name

RV790

Caimour

GPU Variant

RV790 GT

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.959 billion

67 mm²

Die Size

282 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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