AMD Radeon HD 6850 1440SP Edition vs AMD Radeon RX 6900 XTX

VS

AMD Radeon HD 6850 1440SP Edition

AMD Radeon RX 6900 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition and 16GB VRAM Radeon RX 6900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 1440SP Edition 's Advantages

Lower TDP (151W vs 330W)

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 128.0GB/s)

3680 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

Radeon RX 6900 XTX +1093%

24.93 TFLOPS

Radeon HD 6850 1440SP Edition

VS

Radeon RX 6900 XTX

Graphics Card

Aug 2012

Release Date

Unknown

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2075 MHz

-

Boost Clock

2435 MHz

1000 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

576.0GB/s

Render Config

18

Compute Units

80

-

1440

Shading Units

5120

72

TMUs

320

32

ROPs

128

-

RT Cores

80

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

23.20 GPixel/s

Pixel Rate

311.7 GPixel/s

52.20 GTexel/s

Texture Rate

779.2 GTexel/s

-

FP16 (half)

49.87 TFLOPS

2.088 TFLOPS

FP32 (float)

24.93 TFLOPS

417.6 GFLOPS

FP64 (double)

1.558 TFLOPS

Board Design

151W

TDP

330W

450 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cypress

GPU Name

Navi 21

Cypress PRO (215-0735043)

GPU Variant

Navi 21 XTXH (215-121000247)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.154 billion

Transistors

26.8 billion

334 mm²

Die Size

520 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

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