AMD Radeon R9 285 vs ATI Radeon HD 3450

VS

AMD Radeon R9 285

ATI Radeon HD 3450

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 256MB VRAM Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

Released 6 years and 9 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (176.0GB/s vs 8.000GB/s)

1752 additional rendering cores

ATI Radeon HD 3450 's Advantages

Lower TDP (25W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +6754%

3.29 TFLOPS

Radeon HD 3450

0.048 TFLOPS

Radeon R9 285

VS

Radeon HD 3450

Graphics Card

Sep 2014

Release Date

Dec 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

8.000GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

40

112

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

2.400 GPixel/s

102.8 GTexel/s

Texture Rate

2.400 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

48.00 GFLOPS

205.6 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

25W

450 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

RV620

Tonga PRO (215-0851128)

GPU Variant

RV620 LE

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.181 billion

366 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2.170

Vulkan

N/A

-

6.5

Shader Model

4.1

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