AMD Radeon RX 7700 XT vs AMD Radeon HD 6850 X2

VS

AMD Radeon RX 7700 XT

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 XT and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7700 XT 's Advantages

Released 11 years and 11 months late

Boost Clock2544MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 134.4GB/s)

2496 additional rendering cores

Lower TDP (245W vs 254W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 XT +2189%

35.17 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

Radeon RX 7700 XT

VS

Radeon HD 6850 X2

Graphics Card

Aug 2023

Release Date

Sep 2011

Navi III

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1435 MHz

Base Clock

-

2544 MHz

Boost Clock

-

2250 MHz

Memory Clock

1050 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432.0GB/s

Bandwidth

134.4GB/s

Render Config

54

Compute Units

12

-

3456

Shading Units

960

216

TMUs

48

96

ROPs

32

-

54

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

48 MB

L3 Cache

-

Theoretical Performance

244.2 GPixel/s

Pixel Rate

25.60 GPixel/s

549.5 GTexel/s

Texture Rate

38.40 GTexel/s

70.34 TFLOPS

FP16 (half)

-

35.17 TFLOPS

FP32 (float)

1.536 TFLOPS

1099 GFLOPS

FP64 (double)

-

Board Design

245W

TDP

254W

550 W

Suggested PSU

600 W

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

Outputs

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

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 32

GPU Name

Barts

Navi 32 XL (215-180000076)

GPU Variant

Barts PRO (215-0798006)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

28.1 billion

Transistors

1.7 billion

346 mm²

Die Size

255 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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