AMD Radeon HD 6930 vs ATI Radeon HD 4650 AGP

VS

AMD Radeon HD 6930 ATI Radeon HD 4650 AGP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6930 and 512MB VRAM Radeon HD 4650 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 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 12.80GB/s)

960 additional rendering cores

ATI Radeon HD 4650 AGP 's Advantages

Lower TDP (48W vs 186W)

Score

Benchmark

FP32 (float)

Radeon HD 6930 +400%

1.92 TFLOPS

Radeon HD 4650 AGP

0.384 TFLOPS

Radeon HD 6930

VS

Radeon HD 4650 AGP

Graphics Card

Dec 2011

Release Date

Sep 2008

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

20

Compute Units

4

1280

Shading Units

320

80

TMUs

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

24.00 GPixel/s

Pixel Rate

4.800 GPixel/s

60.00 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

1.920 TFLOPS

FP32 (float)

384.0 GFLOPS

480.0 GFLOPS

FP64 (double)

-

Graphics Processor

Cayman

GPU Name

RV730

Cayman CE (215-0807105)

GPU Variant

RV730 PRO (215-0719056)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.514 billion

389 mm²

Die Size

146 mm²

Board Design

186W

TDP

48W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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