AMD Radeon HD 8770 OEM vs ATI Radeon HD 4670 X2

VS

AMD Radeon HD 8770 OEM

ATI Radeon HD 4670 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 512MB VRAM Radeon HD 4670 X2 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 late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 22.40GB/s)

576 additional rendering cores

Lower TDP (85W vs 118W)

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM +292%

1.882 TFLOPS

Radeon HD 4670 X2

0.48 TFLOPS

Radeon HD 8770 OEM

VS

Radeon HD 4670 X2

Graphics Card

Sep 2013

Release Date

Sep 2008

Sea Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

22.40GB/s

Render Config

14

Compute Units

4

-

896

Shading Units

320

56

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

6.000 GPixel/s

58.80 GTexel/s

Texture Rate

24.00 GTexel/s

-

1.882 TFLOPS

FP32 (float)

480.0 GFLOPS

117.6 GFLOPS

FP64 (double)

-

Board Design

85W

TDP

118W

250 W

Suggested PSU

300 W

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

Outputs

4x DVI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Bonaire

GPU Name

RV730

Bonaire XT (215-0839039)

GPU Variant

RV730 XT (215-0719047)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.514 billion

160 mm²

Die Size

146 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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