AMD Radeon HD 8770 OEM vs ATI Radeon HD 3450

VS

AMD Radeon HD 8770 OEM

ATI Radeon HD 3450

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM 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 HD 8770 OEM 's Advantages

Released 5 years and 9 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 8.000GB/s)

856 additional rendering cores

ATI Radeon HD 3450 's Advantages

Lower TDP (25W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM +3820%

1.882 TFLOPS

Radeon HD 3450

0.048 TFLOPS

Radeon HD 8770 OEM

VS

Radeon HD 3450

Graphics Card

Sep 2013

Release Date

Dec 2007

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

8.000GB/s

Render Config

14

Compute Units

2

-

896

Shading Units

40

56

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

2.400 GPixel/s

58.80 GTexel/s

Texture Rate

2.400 GTexel/s

-

1.882 TFLOPS

FP32 (float)

48.00 GFLOPS

117.6 GFLOPS

FP64 (double)

-

Board Design

85W

TDP

25W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

Bonaire

GPU Name

RV620

Bonaire XT (215-0839039)

GPU Variant

RV620 LE

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.181 billion

160 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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