NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon HD 6850 X2

VS

NVIDIA GeForce RTX 4080 16 GB

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 16 GB 's Advantages

Released 11 years late

Boost Clock2505MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (716.8GB/s vs 134.4GB/s)

8768 additional rendering cores

AMD Radeon HD 6850 X2 's Advantages

Lower TDP (254W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB +3073%

48.74 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

GeForce RTX 4080 16 GB

VS

Radeon HD 6850 X2

Graphics Card

Sep 2022

Release Date

Sep 2011

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

1050 MHz

Memory

16GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

256bit

716.8GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

12

76

SM Count

-

9728

Shading Units

960

304

TMUs

48

112

ROPs

32

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

25.60 GPixel/s

761.5 GTexel/s

Texture Rate

38.40 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

1.536 TFLOPS

761.5 GFLOPS

FP64 (double)

-

Board Design

320W

TDP

254W

700 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

2x 8-pin

Graphics Processor

AD103

GPU Name

Barts

AD103-300-A1

GPU Variant

Barts PRO (215-0798006)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

45.9 billion

Transistors

1.7 billion

379 mm²

Die Size

255 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.6

Shader Model

5.0

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