AMD Radeon HD 8470 OEM vs ATI Radeon HD 3450 X2

VS

AMD Radeon HD 8470 OEM

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8470 OEM and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8470 OEM 's Advantages

Released 5 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (25.60GB/s vs 8.000GB/s)

120 additional rendering cores

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 8470 OEM +416%

0.248 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon HD 8470 OEM

VS

Radeon HD 3450 X2

Graphics Card

Jan 2013

Release Date

Dec 2007

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

64bit

Memory Bus

64bit

25.60GB/s

Bandwidth

8.000GB/s

Render Config

2

Compute Units

2

-

160

Shading Units

40

8

TMUs

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

2.400 GPixel/s

6.200 GTexel/s

Texture Rate

2.400 GTexel/s

-

248.0 GFLOPS

FP32 (float)

48.00 GFLOPS

-

Board Design

35W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a

Outputs

2x DMS-59

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

RV620

Caicos XT (215-0804070)

GPU Variant

RV620 LE

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.181 billion

67 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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