AMD Radeon HD 6850 X2 vs NVIDIA GeForce RTX 5090

VS

AMD Radeon HD 6850 X2

NVIDIA GeForce RTX 5090

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 32GB VRAM GeForce RTX 5090 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 500W)

NVIDIA GeForce RTX 5090 's Advantages

Released 13 years and 4 months late

Boost Clock2520MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (1.52TB/s vs 134.4GB/s)

20800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

GeForce RTX 5090 +7041%

109.7 TFLOPS

Radeon HD 6850 X2

VS

GeForce RTX 5090

Graphics Card

Sep 2011

Release Date

Jan 2025

Northern Islands

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1050 MHz

Memory Clock

1875 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

GDDR7

256bit

Memory Bus

512bit

134.4GB/s

Bandwidth

1.52TB/s

Render Config

12

Compute Units

-

SM Count

170

960

Shading Units

21760

48

TMUs

680

32

ROPs

192

-

Tensor Cores

680

-

RT Cores

170

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

88 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

483.8 GPixel/s

38.40 GTexel/s

Texture Rate

1714 GTexel/s

-

FP16 (half)

109.7 TFLOPS

1.536 TFLOPS

FP32 (float)

109.7 TFLOPS

-

FP64 (double)

1.714 TFLOPS

Board Design

254W

TDP

500W

600 W

Suggested PSU

900 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

2x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Barts

GPU Name

GB202

Barts PRO (215-0798006)

GPU Variant

GB202-400-A1

TeraScale 2

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

1.7 billion

Transistors

Unknown

255 mm²

Die Size

Unknown

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

10.1

5.0

Shader Model

6.8

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