AMD Radeon HD 6870M vs MSI RTX 5090 LIGHTNING Z

Comparison AMD Radeon HD 6870M with 1,024 GB GDDR5 and 800 cores vs MSI RTX 5090 LIGHTNING Z with 32 GB GDDR7 and 21,760 cores.

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Performance Rating

MSI RTX 5090 LIGHTNING Z outperforms AMD Radeon HD 6870M by 1,667.42% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon HD 6870M

2.7

AMD Radeon HD 6870M

2.7
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

MSI RTX 5090 LIGHTNING Z

47.2

MSI RTX 5090 LIGHTNING Z

47.2

Expert Comparison

AMD Radeon HD 6870M старая модель с 800 ядрами и 1.08 ТФLOPS вычислительной мощности, при этом потребляет всего 50 Вт. MSI RTX 5090 LIGHTNING Z является современной картой с 21760 ядрами и 118.8 ТФLOPS вычислительной мощности, но потребляет гораздо больше энергии — 1000 Вт. Первая подходит для базовых задач и средней графики, вторая идеальна для тяжелых игр и профессиональных приложений.

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

1,024 MB
🔥 32 ГБ

Memory Type

GDDR5 GDDR7

Memory Bandwidth

64.00 GB/s
🔥 1.79 TB/s

Memory Bus Width

128 бит 512 бит

ML Performance

FP16 (Half Precision)

No
🔥 118.8 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

1.08 TFLOPS
🔥 +10,900% 118.8 TFLOPS

FP64 (Double Precision)

No
🔥 1.856 TFLOPS

CUDA Cores

800
🔥 +2,620% 21,760

RT Cores

No
🔥 170

Architecture & Compatibility

GPU Architecture

TeraScale 2 Blackwell 2.0

SM (Streaming Multiprocessor)

No
🔥 170

PCIe Version

MXM-B (3.0) PCIe 5.0 x16

ML Software Support

CUDA Version

No 12.0

CUDA Toolkit (first supported)

v12

CUDA Toolkit status

Supported Supported

Clocks & Performance

Base Clock

No
🔥 2,017

Boost Clock

No
🔥 2,730

Memory Clock

1,000
🔥 +75% 1,750

Power Consumption

Recommended PSU

No 1400 W

Power Connector

No
🔥 2x 16-pin

TDP/TGP

🔥 -95% 50 W
1000 W

Rendering

Texture Units (TMU)

40
🔥 +1,600% 680

ROP

No
🔥 170

L2 Cache

256 KB
🔥 96 MB

Additional

Slots

MXM Module Triple-slot

Release Date

Jan. 4, 2011 Jan. 6, 2026

Display Outputs

Portable Device Dependent
1x HDMI 2.1b
3x DisplayPort 2.1b

1x HDMI 2.1b
3x DisplayPort 2.1b
1x USB Type-C

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