AMD Radeon HD 6450 vs ATI Radeon HD 3850

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 and 512MB VRAM Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 's Advantages

Released 3 years and 5 months late

Lower TDP (18W vs 75W)

ATI Radeon HD 3850 's Advantages

Larger VRAM bandwidth (53.12GB/s vs 25.60GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450

0.2 TFLOPS

Radeon HD 3850 +114%

0.428 TFLOPS

Radeon HD 6450

VS

Radeon HD 3850

Graphics Card

Apr 2011

Release Date

Nov 2007

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

830 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

53.12GB/s

Render Config

-

SM Count

-

2

Compute Units

4

160

Shading Units

320

8

TMUs

16

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

10.69 GPixel/s

5.000 GTexel/s

Texture Rate

10.69 GTexel/s

-

FP16 (half)

-

200.0 GFLOPS

FP32 (float)

427.5 GFLOPS

-

FP64 (double)

85.50 GFLOPS

Graphics Processor

Caicos

GPU Name

RV670

Caicos PRO

GPU Variant

RV670 PRO (215-0708003)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.666 billion

67 mm²

Die Size

192 mm²

Board Design

18W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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