AMD Radeon HD 8490 OEM vs ATI Radeon HD 3850 AGP

VS

AMD Radeon HD 8490 OEM

ATI Radeon HD 3850 AGP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 512MB VRAM Radeon HD 3850 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8490 OEM 's Advantages

Released 5 years and 6 months late

More VRAM (1024GB vs 512GB)

Lower TDP (35W vs 75W)

ATI Radeon HD 3850 AGP 's Advantages

Larger VRAM bandwidth (52.99GB/s vs 14.40GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon HD 3850 AGP +52%

0.428 TFLOPS

Radeon HD 8490 OEM

VS

Radeon HD 3850 AGP

Graphics Card

Jul 2013

Release Date

Jan 2008

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

900 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

52.99GB/s

Render Config

2

Compute Units

4

-

160

Shading Units

320

8

TMUs

16

4

ROPs

16

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

10.69 GPixel/s

7.000 GTexel/s

Texture Rate

10.69 GTexel/s

-

280.0 GFLOPS

FP32 (float)

427.5 GFLOPS

-

FP64 (double)

85.50 GFLOPS

Board Design

35W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.1

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 8-pin

Graphics Processor

Caicos

GPU Name

RV670

Caicos XTX

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

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

-

5.0

Shader Model

4.1

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