ATI Radeon HD 3870 AGP vs AMD Radeon RX 7700

VS

ATI Radeon HD 3870 AGP

AMD Radeon RX 7700

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 AGP and 12GB VRAM Radeon RX 7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 200W)

AMD Radeon RX 7700 's Advantages

Boost Clock2600MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 72.06GB/s)

2752 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 AGP

0.497 TFLOPS

Radeon RX 7700 +6328%

31.95 TFLOPS

Radeon HD 3870 AGP

VS

Radeon RX 7700

Graphics Card

Unknown

Release Date

Unknown

Radeon R600

Generation

Navi III

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1900 MHz

-

Boost Clock

2600 MHz

1126 MHz

Memory Clock

2250 MHz

Memory

512MB

Memory Size

12GB

GDDR4

Memory Type

GDDR6

256bit

Memory Bus

192bit

72.06GB/s

Bandwidth

432.0GB/s

Render Config

4

Compute Units

48

-

320

Shading Units

3072

16

TMUs

192

16

ROPs

96

-

RT Cores

48

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

64 MB

Theoretical Performance

12.43 GPixel/s

Pixel Rate

249.6 GPixel/s

12.43 GTexel/s

Texture Rate

499.2 GTexel/s

-

FP16 (half)

63.90 TFLOPS

497.3 GFLOPS

FP32 (float)

31.95 TFLOPS

99.46 GFLOPS

FP64 (double)

998.4 GFLOPS

Board Design

106W

TDP

200W

300 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

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

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

RV670

GPU Name

Navi 32

RV670 XT (215-0708005)

GPU Variant

Navi 32

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.666 billion

Transistors

28.1 billion

192 mm²

Die Size

346 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.2

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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