ATI Radeon HD 4890 vs AMD Radeon RX 6750 XT

VS

ATI Radeon HD 4890

AMD Radeon RX 6750 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 12GB VRAM Radeon RX 6750 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

Lower TDP (190W vs 250W)

AMD Radeon RX 6750 XT 's Advantages

Released 12 years and 11 months late

Boost Clock2600MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432.0GB/s vs 124.8GB/s)

1760 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4890

1.36 TFLOPS

Radeon RX 6750 XT +878%

13.31 TFLOPS

Radeon HD 4890

VS

Radeon RX 6750 XT

Graphics Card

Apr 2009

Release Date

Mar 2022

Radeon R700

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2150 MHz

-

Boost Clock

2600 MHz

975 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

124.8GB/s

Bandwidth

432.0GB/s

Render Config

10

Compute Units

40

-

800

Shading Units

2560

40

TMUs

160

16

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

166.4 GPixel/s

34.00 GTexel/s

Texture Rate

416.0 GTexel/s

-

FP16 (half)

26.62 TFLOPS

1360 GFLOPS

FP32 (float)

13.31 TFLOPS

272.0 GFLOPS

FP64 (double)

832.0 GFLOPS

Board Design

190W

TDP

250W

450 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV790

GPU Name

Navi 22

RV790 XT (215-0758016)

GPU Variant

Navi 22 KXT (215-127000144)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.959 billion

Transistors

17.2 billion

282 mm²

Die Size

335 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.5

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