ATI Radeon HD 3870 AGP vs AMD Radeon R9 290X

VS

ATI Radeon HD 3870 AGP

AMD Radeon R9 290X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 AGP and 4GB VRAM Radeon R9 290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 290W)

AMD Radeon R9 290X 's Advantages

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (320.0GB/s vs 72.06GB/s)

2496 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 AGP

0.497 TFLOPS

Radeon R9 290X +1033%

5.632 TFLOPS

Radeon HD 3870 AGP

VS

Radeon R9 290X

Graphics Card

Unknown

Release Date

Oct 2013

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

4GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

512bit

72.06GB/s

Bandwidth

320.0GB/s

Render Config

4

Compute Units

44

-

320

Shading Units

2816

16

TMUs

176

16

ROPs

64

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

64.00 GPixel/s

12.43 GTexel/s

Texture Rate

176.0 GTexel/s

-

497.3 GFLOPS

FP32 (float)

5.632 TFLOPS

99.46 GFLOPS

FP64 (double)

704.0 GFLOPS

Board Design

106W

TDP

290W

300 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV670

GPU Name

Hawaii

RV670 XT (215-0708005)

GPU Variant

Hawaii XT (215-0852000)

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

6.2 billion

192 mm²

Die Size

438 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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