AMD Radeon HD 6930 vs ATI Radeon HD 3450 AGP

VS

AMD Radeon HD 6930

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6930 and 512MB VRAM Radeon HD 3450 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6930 's Advantages

Released 3 years and 11 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 8.000GB/s)

1240 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 186W)

Score

Benchmark

FP32 (float)

Radeon HD 6930 +3900%

1.92 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

Radeon HD 6930

VS

Radeon HD 3450 AGP

Graphics Card

Dec 2011

Release Date

Jan 2008

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1200 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

8.000GB/s

Render Config

20

Compute Units

2

-

1280

Shading Units

40

80

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

24.00 GPixel/s

Pixel Rate

2.400 GPixel/s

60.00 GTexel/s

Texture Rate

2.400 GTexel/s

-

1.920 TFLOPS

FP32 (float)

48.00 GFLOPS

480.0 GFLOPS

FP64 (double)

-

Board Design

186W

TDP

25W

450 W

Suggested PSU

200 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

1x Molex

Graphics Processor

Cayman

GPU Name

RV620

Cayman CE (215-0807105)

GPU Variant

RV620 LE

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.181 billion

389 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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