ATI Radeon HD 3850 AGP vs AMD Radeon RX 7900 GRE

VS

ATI Radeon HD 3850 AGP

AMD Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 16GB VRAM Radeon RX 7900 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 AGP 's Advantages

Lower TDP (75W vs 260W)

AMD Radeon RX 7900 GRE 's Advantages

Released 15 years and 6 months late

Boost Clock2245MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (576.0GB/s vs 52.99GB/s)

4800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon RX 7900 GRE +10642%

45.98 TFLOPS

Radeon HD 3850 AGP

VS

Radeon RX 7900 GRE

Graphics Card

Jan 2008

Release Date

Jul 2023

Radeon R600

Generation

Navi III

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1287 MHz

-

Boost Clock

2245 MHz

828 MHz

Memory Clock

2250 MHz

Memory

512MB

Memory Size

16GB

GDDR3

Memory Type

GDDR6

256bit

Memory Bus

256bit

52.99GB/s

Bandwidth

576.0GB/s

Render Config

4

Compute Units

80

-

320

Shading Units

5120

16

TMUs

320

16

ROPs

160

-

RT Cores

80

-

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

10.69 GPixel/s

Pixel Rate

359.2 GPixel/s

10.69 GTexel/s

Texture Rate

718.4 GTexel/s

-

FP16 (half)

91.96 TFLOPS

427.5 GFLOPS

FP32 (float)

45.98 TFLOPS

85.50 GFLOPS

FP64 (double)

1437 GFLOPS

Board Design

75W

TDP

260W

250 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

RV670

GPU Name

Navi 31

RV670 PRO (215-0708003)

GPU Variant

Navi 31 XL (215-145000206)

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.666 billion

Transistors

57.7 billion

192 mm²

Die Size

529 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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