AMD Radeon RX 7900 XT vs AMD Radeon HD 7750

VS

AMD Radeon RX 7900 XT

AMD Radeon HD 7750

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 1024MB VRAM Radeon HD 7750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Released 10 years and 9 months late

Boost Clock2394MHz

More VRAM (20GB vs 1024GB)

Larger VRAM bandwidth (800.0GB/s vs 72.00GB/s)

4864 additional rendering cores

AMD Radeon HD 7750 's Advantages

Lower TDP (55W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +6185%

51.48 TFLOPS

Radeon HD 7750

0.819 TFLOPS

Radeon RX 7900 XT

VS

Radeon HD 7750

Graphics Card

Nov 2022

Release Date

Feb 2012

Navi III

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1387 MHz

Base Clock

-

2394 MHz

Boost Clock

-

2500 MHz

Memory Clock

1125 MHz

Memory

20GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

72.00GB/s

Render Config

84

Compute Units

8

-

5376

Shading Units

512

336

TMUs

32

192

ROPs

16

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

12.80 GPixel/s

804.4 GTexel/s

Texture Rate

25.60 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

819.2 GFLOPS

1.609 TFLOPS

FP64 (double)

51.20 GFLOPS

Board Design

300W

TDP

55W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Cape Verde

Navi 31 XT (215-145000156)

GPU Variant

Cape Verde PRO

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

1.5 billion

529 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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