AMD Radeon HD 8470 OEM vs ATI Radeon HD 4890

VS

AMD Radeon HD 8470 OEM

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8470 OEM and 1024MB VRAM Radeon HD 4890 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

Lower TDP (35W vs 190W)

ATI Radeon HD 4890 's Advantages

Larger VRAM bandwidth (124.8GB/s vs 25.60GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8470 OEM

0.248 TFLOPS

Radeon HD 4890 +448%

1.36 TFLOPS

Radeon HD 8470 OEM

VS

Radeon HD 4890

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

975 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.60GB/s

Bandwidth

124.8GB/s

Render Config

2

Compute Units

10

-

160

Shading Units

800

8

TMUs

40

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

13.60 GPixel/s

6.200 GTexel/s

Texture Rate

34.00 GTexel/s

-

248.0 GFLOPS

FP32 (float)

1360 GFLOPS

-

FP64 (double)

272.0 GFLOPS

Board Design

35W

TDP

190W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

Caicos

GPU Name

RV790

Caicos XT (215-0804070)

GPU Variant

RV790 XT (215-0758016)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.959 billion

67 mm²

Die Size

282 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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