ATI Radeon HD 2900 XT vs AMD Radeon RX 6700 XT

VS

ATI Radeon HD 2900 XT AMD Radeon RX 6700 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 12GB VRAM Radeon RX 6700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 230W)

AMD Radeon RX 6700 XT 's Advantages

Released 13 years and 10 months late

Boost Clock2581MHz

Larger VRAM bandwidth (384.0GB/s vs 106.0GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

Radeon RX 6700 XT +2675%

13.21 TFLOPS

Radeon HD 2900 XT

VS

Radeon RX 6700 XT

Graphics Card

May 2007

Release Date

Mar 2021

Radeon R600

Generation

Navi II

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2321 MHz

-

Boost Clock

2581 MHz

828 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

12GB

GDDR3

Memory Type

GDDR6

512bit

Memory Bus

192bit

106.0GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

4

Compute Units

40

320

Shading Units

2560

16

TMUs

160

16

ROPs

64

-

Tensor Cores

-

RT Cores

40

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

Theoretical Performance

11.89 GPixel/s

Pixel Rate

165.2 GPixel/s

11.89 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

475.5 GFLOPS

FP32 (float)

13.21 TFLOPS

-

FP64 (double)

825.9 GFLOPS

Graphics Processor

R600

GPU Name

Navi 22

R600 XT (215RGMDKA13FG)

GPU Variant

Navi 22 XT (215-127000006)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

7 nm

0.72 billion

Transistors

17.2 billion

420 mm²

Die Size

335 mm²

Board Design

215W

TDP

230W

550 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

-

CUDA

-

4.0

Shader Model

6.5

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