AMD Radeon RX 6750 XT vs ATI Radeon HD 4890

VS

AMD Radeon RX 6750 XT ATI Radeon HD 4890

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

Main Differences

AMD Radeon RX 6750 XT 's Advantages

Released 12 years and 11 months late

Boost Clock2600MHz

More VRAM (12GB vs 1GB)

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

1760 additional rendering cores

ATI Radeon HD 4890 's Advantages

Lower TDP (190W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 XT +878%

13.31 TFLOPS

Radeon HD 4890

1.36 TFLOPS

Radeon RX 6750 XT

VS

Radeon HD 4890

Graphics Card

Mar 2022

Release Date

Apr 2009

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2150 MHz

Base Clock

-

2600 MHz

Boost Clock

-

2250 MHz

Memory Clock

975 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432.0GB/s

Bandwidth

124.8GB/s

Render Config

-

SM Count

-

40

Compute Units

10

2560

Shading Units

800

160

TMUs

40

64

ROPs

16

-

Tensor Cores

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

Theoretical Performance

166.4 GPixel/s

Pixel Rate

13.60 GPixel/s

416.0 GTexel/s

Texture Rate

34.00 GTexel/s

26.62 TFLOPS

FP16 (half)

-

13.31 TFLOPS

FP32 (float)

1360 GFLOPS

832.0 GFLOPS

FP64 (double)

272.0 GFLOPS

Graphics Processor

Navi 22

GPU Name

RV790

Navi 22 KXT (215-127000144)

GPU Variant

RV790 XT (215-0758016)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

17.2 billion

Transistors

0.959 billion

335 mm²

Die Size

282 mm²

Board Design

250W

TDP

190W

600 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

4.1

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