ATI Radeon HD 2900 PRO vs AMD Radeon RX 6800

VS

ATI Radeon HD 2900 PRO

AMD Radeon RX 6800

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 PRO and 16GB VRAM Radeon RX 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 PRO 's Advantages

Lower TDP (200W vs 250W)

AMD Radeon RX 6800 's Advantages

Released 12 years and 10 months late

Boost Clock2105MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 51.20GB/s)

3520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 PRO

0.384 TFLOPS

Radeon RX 6800 +4110%

16.17 TFLOPS

Radeon HD 2900 PRO

VS

Radeon RX 6800

Graphics Card

Dec 2007

Release Date

Oct 2020

Radeon R600

Generation

Navi II

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1700 MHz

-

Boost Clock

2105 MHz

800 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

16GB

GDDR3

Memory Type

GDDR6

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

512.0GB/s

Render Config

4

Compute Units

60

-

320

Shading Units

3840

16

TMUs

240

16

ROPs

96

-

RT Cores

60

-

L1 Cache

128 KB per Array

128 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

9.600 GPixel/s

Pixel Rate

202.1 GPixel/s

9.600 GTexel/s

Texture Rate

505.2 GTexel/s

-

FP16 (half)

32.33 TFLOPS

384.0 GFLOPS

FP32 (float)

16.17 TFLOPS

-

FP64 (double)

1010 GFLOPS

Board Design

200W

TDP

250W

550 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

R600

GPU Name

Navi 21

R600 PRO (215RGMDKA13FG)

GPU Variant

Navi 21 XL (215-121000187)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

7 nm

0.72 billion

Transistors

26.8 billion

420 mm²

Die Size

520 mm²

Graphics Features

10.0 (10_0)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.3

-

4.0

Shader Model

6.5

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