AMD Radeon HD 6850 X2 vs AMD Radeon RX 6600

VS

AMD Radeon HD 6850 X2

AMD Radeon RX 6600

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Released 10 years and 1 months late

Boost Clock2491MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 134.4GB/s)

832 additional rendering cores

Lower TDP (132W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

Radeon RX 6600 +481%

8.928 TFLOPS

Radeon HD 6850 X2

VS

Radeon RX 6600

Graphics Card

Sep 2011

Release Date

Oct 2021

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1626 MHz

-

Boost Clock

2491 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

224.0GB/s

Render Config

12

Compute Units

28

-

960

Shading Units

1792

48

TMUs

112

32

ROPs

64

-

RT Cores

28

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

159.4 GPixel/s

38.40 GTexel/s

Texture Rate

279.0 GTexel/s

-

FP16 (half)

17.86 TFLOPS

1.536 TFLOPS

FP32 (float)

8.928 TFLOPS

-

FP64 (double)

558.0 GFLOPS

Board Design

254W

TDP

132W

600 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

Navi 23

Barts PRO (215-0798006)

GPU Variant

Navi 23 XL (215-130000016)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

11.06 billion

255 mm²

Die Size

237 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon HD 6850 X2 vs NVIDIA GeForce 8400 SE

2

AMD Radeon HD 6850 X2 vs AMD Radeon HD 7990

3

AMD Radeon HD 6850 X2 vs AMD Radeon R9 370X

4

AMD Radeon HD 6850 X2 vs AMD Radeon R7 250

5

AMD Radeon HD 6850 X2 vs Intel Arc A580

6

AMD Radeon HD 6850 X2 vs AMD Radeon RX 6750 GRE 12 GB

7

AMD Radeon HD 6850 X2 vs ATI FireGL V8650

8

AMD Radeon HD 6850 X2 vs NVIDIA GeForce 9600 GS OEM

9

AMD Radeon HD 6850 X2 vs MTT S80

10

AMD Radeon HD 6850 X2 vs AMD Radeon HD 6850 1440SP Edition

Related News

1

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

2

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

3

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

4

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

5

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

6

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

7

CXMT Reportedly Achieves 80% Yield in DDR5 Production

8

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

9

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

10

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