AMD Radeon RX 7900 GRE vs AMD Radeon HD 6670

VS

AMD Radeon RX 7900 GRE

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE 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 7900 GRE 's Advantages

Released 12 years and 3 months late

Boost Clock2245MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 64.00GB/s)

4640 additional rendering cores

AMD Radeon HD 6670 's Advantages

Lower TDP (66W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +5886%

45.98 TFLOPS

Radeon HD 6670

0.768 TFLOPS

Radeon RX 7900 GRE

VS

Radeon HD 6670

Graphics Card

Jul 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

1287 MHz

Base Clock

-

2245 MHz

Boost Clock

-

2250 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

64.00GB/s

Render Config

80

Compute Units

6

-

5120

Shading Units

480

320

TMUs

24

160

ROPs

8

-

80

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

64 MB

L3 Cache

-

Theoretical Performance

359.2 GPixel/s

Pixel Rate

6.400 GPixel/s

718.4 GTexel/s

Texture Rate

19.20 GTexel/s

91.96 TFLOPS

FP16 (half)

-

45.98 TFLOPS

FP32 (float)

768.0 GFLOPS

1437 GFLOPS

FP64 (double)

-

Board Design

260W

TDP

66W

600 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

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Turks

Navi 31 XL (215-145000206)

GPU Variant

Turks XT (215-0803000)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.716 billion

529 mm²

Die Size

118 mm²

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

-

6.7

Shader Model

5.0

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