AMD Radeon RX 7700 vs ATI Radeon HD 2900 XT

VS

AMD Radeon RX 7700

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 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 7700 's Advantages

Boost Clock2600MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 106.0GB/s)

2752 additional rendering cores

Lower TDP (200W vs 215W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 +6612%

31.95 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon RX 7700

VS

Radeon HD 2900 XT

Graphics Card

Unknown

Release Date

May 2007

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1900 MHz

Base Clock

-

2600 MHz

Boost Clock

-

2250 MHz

Memory Clock

828 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

192bit

Memory Bus

512bit

432.0GB/s

Bandwidth

106.0GB/s

Render Config

48

Compute Units

4

-

3072

Shading Units

320

192

TMUs

16

96

ROPs

16

-

48

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

256 KB

64 MB

L3 Cache

-

Theoretical Performance

249.6 GPixel/s

Pixel Rate

11.89 GPixel/s

499.2 GTexel/s

Texture Rate

11.89 GTexel/s

63.90 TFLOPS

FP16 (half)

-

31.95 TFLOPS

FP32 (float)

475.5 GFLOPS

998.4 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

215W

550 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 32

GPU Name

R600

Navi 32

GPU Variant

R600 XT (215RGMDKA13FG)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

80 nm

28.1 billion

Transistors

0.72 billion

346 mm²

Die Size

420 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.0

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