AMD Radeon RX 6700 XT vs ATI Radeon HD 2900 XT

VS

AMD Radeon RX 6700 XT ATI Radeon HD 2900 XT

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

Main Differences

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

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 230W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 XT +2675%

13.21 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon RX 6700 XT

VS

Radeon HD 2900 XT

Graphics Card

Mar 2021

Release Date

May 2007

Navi II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

828 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

192bit

Memory Bus

512bit

384.0GB/s

Bandwidth

106.0GB/s

Render Config

-

SM Count

-

40

Compute Units

4

2560

Shading Units

320

160

TMUs

16

64

ROPs

16

-

Tensor Cores

-

40

RT Cores

-

128 KB per Array

L1 Cache

-

3 MB

L2 Cache

256 KB

Theoretical Performance

165.2 GPixel/s

Pixel Rate

11.89 GPixel/s

413.0 GTexel/s

Texture Rate

11.89 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

475.5 GFLOPS

825.9 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 22

GPU Name

R600

Navi 22 XT (215-127000006)

GPU Variant

R600 XT (215RGMDKA13FG)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

80 nm

17.2 billion

Transistors

0.72 billion

335 mm²

Die Size

420 mm²

Board Design

230W

TDP

215W

550 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

4.0

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