AMD Radeon RX 6950 XT vs AMD Radeon HD 6670

VS

AMD Radeon RX 6950 XT

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6950 XT 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 6950 XT 's Advantages

Released 11 years and 1 months late

Boost Clock2310MHz

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 335W)

Score

Benchmark

FP32 (float)

Radeon RX 6950 XT +2979%

23.65 TFLOPS

Radeon HD 6670

0.768 TFLOPS

Radeon RX 6950 XT

VS

Radeon HD 6670

Graphics Card

May 2022

Release Date

Apr 2011

Navi II

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1860 MHz

Base Clock

-

2310 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

128

ROPs

8

-

80

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

295.7 GPixel/s

Pixel Rate

6.400 GPixel/s

739.2 GTexel/s

Texture Rate

19.20 GTexel/s

47.31 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

768.0 GFLOPS

1478 GFLOPS

FP64 (double)

-

Board Design

335W

TDP

66W

700 W

Suggested PSU

250 W

1x HDMI 2.1 2x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Turks

Navi 21 KXTX (215-121000289)

GPU Variant

Turks XT (215-0803000)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.716 billion

520 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon RX 6950 XT vs NVIDIA GeForce GTX TITAN

2

AMD Radeon RX 6950 XT vs AMD Radeon R9 390X

3

AMD Radeon RX 6950 XT vs ATI FirePro 2450 Multi View

4

AMD Radeon RX 6950 XT vs NVIDIA GeForce GTX 460 X2

5

AMD Radeon RX 6950 XT vs AMD Radeon Pro Duo

6

AMD Radeon RX 6950 XT vs AMD Radeon Pro W6800X

7

AMD Radeon RX 6950 XT vs AMD Radeon R9 380 OEM

8

AMD Radeon RX 6950 XT vs NVIDIA GeForce GTX 1080 Ti 12 GB

9

AMD Radeon RX 6950 XT vs 3dfx Voodoo4-2 4200 AGP

10

AMD Radeon RX 6950 XT vs AMD Radeon RX 7700

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game