MSI RTX 5090 LIGHTNING Z vs Sapphire HD 6870 FleX

Comparison of MSI RTX 5090 LIGHTNING Z with 32 GB GDDR7 and 21,760 cores vs Sapphire HD 6870 FleX with 1,024 GB GDDR5 and 1,120 cores.

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Performance Rating

MSI RTX 5090 LIGHTNING Z outperforms Sapphire HD 6870 FleX by 906.18% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

MSI RTX 5090 LIGHTNING Z

47.2

MSI RTX 5090 LIGHTNING Z

47.2
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

Sapphire HD 6870 FleX

4.7

Sapphire HD 6870 FleX

4.7

Contents:

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

Memory

Memory Size

🔥 32 ГБ
1,024 MB

Memory Type

GDDR7 GDDR5

Memory Bandwidth

🔥 1.79 TB/s
134.4 GB/s

Memory Bus Width

512 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 118.8 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +5,793% 118.8 TFLOPS
2.016 TFLOPS

FP64 (Double Precision)

🔥 1.856 TFLOPS
No

CUDA Cores

🔥 +1,843% 21,760
1,120

RT Cores

🔥 170
No

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 TeraScale 2

SM (Streaming Multiprocessor)

🔥 170
No

PCIe Version

PCIe 5.0 x16 PCIe 2.0 x16

ML Software Support

CUDA Version

12.0 No

Clocks & Performance

Base Clock

🔥 2,017
No

Boost Clock

🔥 2,730
No

Memory Clock

🔥 +67% 1,750
1,050

Power Consumption

Recommended PSU

1400 W
🔥 -68% 450 W

Power Connector

🔥 2x 16-pin
2x 6-pin

TDP/TGP

1000 W
🔥 -85% 151 W

Rendering

Texture Units (TMU)

🔥 +1,114% 680
56

ROP

🔥 170
No

L2 Cache

🔥 96 MB
512 KB

Additional

Slots

Triple-slot Dual-slot

Release Date

Jan. 6, 2026 Dec. 28, 2010

Display Outputs

1x HDMI 2.1b
3x DisplayPort 2.1b

1x HDMI 2.1b
3x DisplayPort 2.1b
1x USB Type-C
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1

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