AMD Radeon HD 8670 OEM vs AMD Radeon HD 7470 OEM

VS

AMD Radeon HD 8670 OEM AMD Radeon HD 7470 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8670 OEM and 1024MB VRAM Radeon HD 7470 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670 OEM 's Advantages

Released 1 years late

Boost Clock1050MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (73.60GB/s vs 28.80GB/s)

224 additional rendering cores

AMD Radeon HD 7470 OEM 's Advantages

Lower TDP (27W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 8670 OEM +235%

0.806 TFLOPS

Radeon HD 7470 OEM

0.24 TFLOPS

Radeon HD 8670 OEM

VS

Radeon HD 7470 OEM

Graphics Card

Jan 2013

Release Date

Jan 2012

Sea Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1150 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

73.60GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

6

Compute Units

2

384

Shading Units

160

24

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

8.400 GPixel/s

Pixel Rate

3.000 GPixel/s

25.20 GTexel/s

Texture Rate

6.000 GTexel/s

-

FP16 (half)

-

806.4 GFLOPS

FP32 (float)

240.0 GFLOPS

50.40 GFLOPS

FP64 (double)

-

Graphics Processor

Oland

GPU Name

Caicos

Oland XT (215-0837000)

GPU Variant

Khalidster

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.37 billion

77 mm²

Die Size

67 mm²

Board Design

75W

TDP

27W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x DVI 1x DisplayPort 1.1

None

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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