AMD Radeon RX 6700 vs AMD Radeon HD 6850 X2

VS

AMD Radeon RX 6700 AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 10GB VRAM Radeon RX 6700 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 6700 's Advantages

Released 9 years and 9 months late

Boost Clock2450MHz

More VRAM (10GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 134.4GB/s)

1344 additional rendering cores

Lower TDP (175W vs 254W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 +635%

11.29 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

Radeon RX 6700

VS

Radeon HD 6850 X2

Graphics Card

Jun 2021

Release Date

Sep 2011

Navi II

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1941 MHz

Base Clock

-

2450 MHz

Boost Clock

-

2000 MHz

Memory Clock

1050 MHz

Memory

10GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

160bit

Memory Bus

256bit

320.0GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

36

Compute Units

12

2304

Shading Units

960

144

TMUs

48

64

ROPs

32

-

Tensor Cores

-

36

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

512 KB

Theoretical Performance

156.8 GPixel/s

Pixel Rate

25.60 GPixel/s

352.8 GTexel/s

Texture Rate

38.40 GTexel/s

22.58 TFLOPS

FP16 (half)

-

11.29 TFLOPS

FP32 (float)

1.536 TFLOPS

705.6 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 22

GPU Name

Barts

Navi 22 XTL

GPU Variant

Barts PRO (215-0798006)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

1.7 billion

335 mm²

Die Size

255 mm²

Board Design

175W

TDP

254W

450 W

Suggested PSU

600 W

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

Outputs

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

1x 8-pin

Power Connectors

2x 8-pin

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

-

CUDA

-

6.5

Shader Model

5.0

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