AMD Radeon RX 7990 XTX vs ATI Radeon HD 3750

VS

AMD Radeon RX 7990 XTX

ATI Radeon HD 3750

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 512MB VRAM Radeon HD 3750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock3599MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (1152GB/s vs 22.18GB/s)

6024 additional rendering cores

ATI Radeon HD 3750 's Advantages

Lower TDP (65W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +46208%

88.45 TFLOPS

Radeon HD 3750

0.191 TFLOPS

Radeon RX 7990 XTX

VS

Radeon HD 3750

Graphics Card

Unknown

Release Date

Sep 2008

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2500 MHz

Base Clock

-

3599 MHz

Boost Clock

-

3000 MHz

Memory Clock

693 MHz

Memory

24GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

384bit

Memory Bus

128bit

1152GB/s

Bandwidth

22.18GB/s

Render Config

96

Compute Units

3

-

6144

Shading Units

120

384

TMUs

8

192

ROPs

4

-

96

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

128 KB

192 MB

L3 Cache

-

Theoretical Performance

691.0 GPixel/s

Pixel Rate

3.184 GPixel/s

1382 GTexel/s

Texture Rate

6.368 GTexel/s

176.9 TFLOPS

FP16 (half)

-

88.45 TFLOPS

FP32 (float)

191.0 GFLOPS

2.764 TFLOPS

FP64 (double)

-

Board Design

405W

TDP

65W

800 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

3x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

RV635

Navi 31 XTX+

GPU Variant

RV635 PRO (215-0682008)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

57.7 billion

Transistors

0.378 billion

529 mm²

Die Size

135 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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