AMD Radeon HD 6670 vs NVIDIA GeForce GTX 970

VS

AMD Radeon HD 6670

NVIDIA GeForce GTX 970

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 4GB VRAM GeForce GTX 970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670 's Advantages

Lower TDP (66W vs 148W)

NVIDIA GeForce GTX 970 's Advantages

Released 3 years and 5 months late

Boost Clock1178MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (224.4GB/s vs 64.00GB/s)

1184 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

GeForce GTX 970 +410%

3.92 TFLOPS

Radeon HD 6670

VS

GeForce GTX 970

Graphics Card

Apr 2011

Release Date

Sep 2014

Northern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1050 MHz

-

Boost Clock

1178 MHz

1000 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

224.4GB/s

Render Config

6

Compute Units

-

480

Shading Units

1664

24

TMUs

104

8

ROPs

56

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

65.97 GPixel/s

19.20 GTexel/s

Texture Rate

122.5 GTexel/s

-

768.0 GFLOPS

FP32 (float)

3.920 TFLOPS

-

FP64 (double)

122.5 GFLOPS

Board Design

66W

TDP

148W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

None

Power Connectors

2x 6-pin

Graphics Processor

Turks

GPU Name

GM204

Turks XT (215-0803000)

GPU Variant

GM204-200-A1

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

5.2 billion

118 mm²

Die Size

398 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

5.0

Shader Model

6.4

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