AMD Radeon HD 6670 vs AMD Radeon RX 7900 GRE

VS

AMD Radeon HD 6670 AMD Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 16GB VRAM Radeon RX 7900 GRE 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 260W)

AMD Radeon RX 7900 GRE 's Advantages

Released 12 years and 3 months late

Boost Clock2245MHz

More VRAM (16GB vs 1GB)

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

4640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

Radeon RX 7900 GRE +5886%

45.98 TFLOPS

Radeon HD 6670

VS

Radeon RX 7900 GRE

Graphics Card

Apr 2011

Release Date

Jul 2023

Northern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1287 MHz

-

Boost Clock

2245 MHz

1000 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

6

Compute Units

80

480

Shading Units

5120

24

TMUs

320

8

ROPs

160

-

Tensor Cores

-

RT Cores

80

8 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

Theoretical Performance

6.400 GPixel/s

Pixel Rate

359.2 GPixel/s

19.20 GTexel/s

Texture Rate

718.4 GTexel/s

-

FP16 (half)

91.96 TFLOPS

768.0 GFLOPS

FP32 (float)

45.98 TFLOPS

-

FP64 (double)

1437 GFLOPS

Graphics Processor

Turks

GPU Name

Navi 31

Turks XT (215-0803000)

GPU Variant

Navi 31 XL

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

0.716 billion

Transistors

57.7 billion

118 mm²

Die Size

529 mm²

Board Design

66W

TDP

260W

250 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

CUDA

-

5.0

Shader Model

6.7

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