AMD Radeon RX 7700 vs AMD Radeon HD 6670

VS

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 and 1024MB VRAM Radeon HD 6670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7700 's Advantages

Released 11 years and 9 months late

Boost Clock2600MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (432.0GB/s vs 64.00GB/s)

2592 additional rendering cores

AMD Radeon HD 6670 's Advantages

Lower TDP (66W vs 200W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 +4060%

31.95 TFLOPS

Radeon HD 6670

0.768 TFLOPS

Radeon RX 7700

VS

Radeon HD 6670

Graphics Card

Jan 2023

Release Date

Apr 2011

Navi III

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1900 MHz

Base Clock

-

2600 MHz

Boost Clock

-

2250 MHz

Memory Clock

1000 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

432.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

48

Compute Units

6

3072

Shading Units

480

192

TMUs

24

96

ROPs

8

-

Tensor Cores

-

48

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

249.6 GPixel/s

Pixel Rate

6.400 GPixel/s

499.2 GTexel/s

Texture Rate

19.20 GTexel/s

63.90 TFLOPS

FP16 (half)

-

31.95 TFLOPS

FP32 (float)

768.0 GFLOPS

998.4 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 32

GPU Name

Turks

Navi 32

GPU Variant

Turks XT (215-0803000)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

Unknown

Transistors

0.716 billion

346 mm²

Die Size

118 mm²

Board Design

200W

TDP

66W

550 W

Suggested PSU

250 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

5.0

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