AMD Radeon HD 7670 OEM vs ATI Radeon HD 4650

VS

AMD Radeon HD 7670 OEM ATI Radeon HD 4650

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 256MB VRAM Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670 OEM 's Advantages

Released 3 years and 4 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 22.40GB/s)

160 additional rendering cores

ATI Radeon HD 4650 's Advantages

Lower TDP (48W vs 66W)

Score

Benchmark

FP32 (float)

Radeon HD 7670 OEM +100%

0.768 TFLOPS

Radeon HD 4650

0.384 TFLOPS

Radeon HD 7670 OEM

VS

Radeon HD 4650

Graphics Card

Jan 2012

Release Date

Sep 2008

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

700 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

-

6

Compute Units

4

480

Shading Units

320

24

TMUs

32

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

6.400 GPixel/s

Pixel Rate

4.800 GPixel/s

19.20 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

768.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Turks

GPU Name

RV730

Turks XT (215-0803000)

GPU Variant

RV730 PRO (215-0719056)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.514 billion

118 mm²

Die Size

146 mm²

Board Design

66W

TDP

48W

250 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.1 1x VGA

Outputs

2x DVI 1x S-Video

None

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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