AMD Radeon HD 6850 X2 vs NVIDIA GeForce RTX 4080

VS

AMD Radeon HD 6850 X2

NVIDIA GeForce RTX 4080

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

Main Differences

AMD Radeon HD 6850 X2 's Advantages

Lower TDP (254W vs 320W)

NVIDIA GeForce RTX 4080 '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

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

GeForce RTX 4080 +3073%

48.74 TFLOPS

Radeon HD 6850 X2

VS

GeForce RTX 4080

Graphics Card

Sep 2011

Release Date

Sep 2022

Northern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2205 MHz

-

Boost Clock

2505 MHz

1050 MHz

Memory Clock

1400 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

716.8GB/s

Render Config

12

Compute Units

-

SM Count

76

960

Shading Units

9728

48

TMUs

304

32

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

64 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

280.6 GPixel/s

38.40 GTexel/s

Texture Rate

761.5 GTexel/s

-

FP16 (half)

48.74 TFLOPS

1.536 TFLOPS

FP32 (float)

48.74 TFLOPS

-

FP64 (double)

761.5 GFLOPS

Board Design

254W

TDP

320W

600 W

Suggested PSU

700 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 16-pin

Graphics Processor

Barts

GPU Name

AD103

Barts PRO (215-0798006)

GPU Variant

AD103-300-A1

TeraScale 2

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.7 billion

Transistors

45.9 billion

255 mm²

Die Size

379 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.9

5.0

Shader Model

6.7

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