AMD Radeon HD 7670 OEM vs AMD Radeon R9 270

VS

AMD Radeon HD 7670 OEM AMD Radeon R9 270

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670 OEM 's Advantages

Lower TDP (66W vs 150W)

AMD Radeon R9 270 's Advantages

Released 1 years and 10 months late

Boost Clock925MHz

Larger VRAM bandwidth (179.2GB/s vs 64.00GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7670 OEM

0.768 TFLOPS

Radeon R9 270 +208%

2.368 TFLOPS

Radeon HD 7670 OEM

VS

Radeon R9 270

Graphics Card

Jan 2012

Release Date

Nov 2013

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

1000 MHz

Memory Clock

1400 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

6

Compute Units

20

480

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

6.400 GPixel/s

Pixel Rate

29.60 GPixel/s

19.20 GTexel/s

Texture Rate

74.00 GTexel/s

-

FP16 (half)

-

768.0 GFLOPS

FP32 (float)

2.368 TFLOPS

-

FP64 (double)

148.0 GFLOPS

Graphics Processor

Turks

GPU Name

Curacao

Turks XT (215-0803000)

GPU Variant

Curacao PRO (215-0848000)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.8 billion

118 mm²

Die Size

212 mm²

Board Design

66W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1.1 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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