AMD Radeon HD 8470 OEM vs ATI Radeon HD 4830

VS

AMD Radeon HD 8470 OEM

ATI Radeon HD 4830

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8470 OEM and 512MB VRAM Radeon HD 4830 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 4 years and 3 months late

More VRAM (1024GB vs 512GB)

Lower TDP (35W vs 95W)

ATI Radeon HD 4830 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 25.60GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8470 OEM

0.248 TFLOPS

Radeon HD 4830 +196%

0.736 TFLOPS

Radeon HD 8470 OEM

VS

Radeon HD 4830

Graphics Card

Jan 2013

Release Date

Oct 2008

Sea Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

57.60GB/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

256 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

9.200 GPixel/s

6.200 GTexel/s

Texture Rate

18.40 GTexel/s

-

248.0 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Board Design

35W

TDP

95W

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

RV770

Caicos XT (215-0804070)

GPU Variant

RV770 LE (215-0669075)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.956 billion

67 mm²

Die Size

256 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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