ATI Radeon HD 3850 AGP vs AMD Radeon R9 285

VS

ATI Radeon HD 3850 AGP AMD Radeon R9 285

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 AGP 's Advantages

Lower TDP (75W vs 190W)

AMD Radeon R9 285 's Advantages

Released 6 years and 8 months late

Larger VRAM bandwidth (176.0GB/s vs 52.99GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon R9 285 +668%

3.29 TFLOPS

Radeon HD 3850 AGP

VS

Radeon R9 285

Graphics Card

Jan 2008

Release Date

Sep 2014

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

828 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

52.99GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

4

Compute Units

28

320

Shading Units

1792

16

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

10.69 GPixel/s

Pixel Rate

29.38 GPixel/s

10.69 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

427.5 GFLOPS

FP32 (float)

3.290 TFLOPS

85.50 GFLOPS

FP64 (double)

205.6 GFLOPS

Graphics Processor

RV670

GPU Name

Tonga

RV670 PRO (215-0708003)

GPU Variant

Tonga PRO (215-0851128)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

5 billion

192 mm²

Die Size

366 mm²

Board Design

75W

TDP

190W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2.170

-

CUDA

-

4.1

Shader Model

6.5

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