AMD Radeon HD 8470 OEM vs ATI Radeon HD 4770

VS

AMD Radeon HD 8470 OEM

ATI Radeon HD 4770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8470 OEM and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8470 OEM 's Advantages

Released 3 years and 9 months late

More VRAM (1024GB vs 512GB)

Lower TDP (35W vs 80W)

ATI Radeon HD 4770 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 25.60GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8470 OEM

0.248 TFLOPS

Radeon HD 4770 +287%

0.96 TFLOPS

Radeon HD 8470 OEM

VS

Radeon HD 4770

Graphics Card

Jan 2013

Release Date

Apr 2009

Sea Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

51.20GB/s

Render Config

2

Compute Units

8

-

160

Shading Units

640

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

12.00 GPixel/s

6.200 GTexel/s

Texture Rate

24.00 GTexel/s

-

248.0 GFLOPS

FP32 (float)

960.0 GFLOPS

-

FP64 (double)

192.0 GFLOPS

Board Design

35W

TDP

80W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Caicos

GPU Name

RV740

Caicos XT (215-0804070)

GPU Variant

RV740 XT (215-0727019)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.826 billion

67 mm²

Die Size

137 mm²

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

-

5.0

Shader Model

4.1

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