ATI Radeon HD 4670 X2 vs AMD Radeon Sky 700

VS

ATI Radeon HD 4670 X2

AMD Radeon Sky 700

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 X2 and 6GB VRAM Radeon Sky 700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 X2 's Advantages

Lower TDP (118W vs 225W)

AMD Radeon Sky 700 's Advantages

Released 4 years and 6 months late

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 22.40GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4670 X2

0.48 TFLOPS

Radeon Sky 700 +572%

3.226 TFLOPS

Radeon HD 4670 X2

VS

Radeon Sky 700

Graphics Card

Sep 2008

Release Date

Mar 2013

Radeon R700

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

700 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

6GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

22.40GB/s

Bandwidth

264.0GB/s

Render Config

4

Compute Units

28

-

320

Shading Units

1792

32

TMUs

112

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

768 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

28.80 GPixel/s

24.00 GTexel/s

Texture Rate

100.8 GTexel/s

-

480.0 GFLOPS

FP32 (float)

3.226 TFLOPS

-

FP64 (double)

806.4 GFLOPS

Board Design

118W

TDP

225W

300 W

Suggested PSU

550 W

4x DVI

Outputs

1x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

RV730

GPU Name

Tahiti

RV730 XT (215-0719047)

GPU Variant

Tahiti PRO GL

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

4.313 billion

146 mm²

Die Size

352 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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