NVIDIA RTX PRO 4000 Blackwell SFF vs Sapphire HD 6870 FleX

Comparison of NVIDIA RTX PRO 4000 Blackwell SFF with 24 GB GDDR7 and 8,960 cores vs Sapphire HD 6870 FleX with 1,024 GB GDDR5 and 1,120 cores.

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Performance Rating

NVIDIA RTX PRO 4000 Blackwell SFF outperforms Sapphire HD 6870 FleX by 182.94% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA RTX PRO 4000 Blackwell SFF

13.3

NVIDIA RTX PRO 4000 Blackwell SFF

13.3
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

🔥 24 ГБ
1,024 MB

Memory Type

GDDR7 GDDR5

Memory Bandwidth

432.0 GB/s 134.4 GB/s

Memory Bus Width

192 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 25.66 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +1,173% 25.66 TFLOPS
2.016 TFLOPS

FP64 (Double Precision)

🔥 0.401 TFLOPS
No

CUDA Cores

🔥 +700% 8,960
1,120

RT Cores

🔥 70
No

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 TeraScale 2

SM (Streaming Multiprocessor)

🔥 70
No

PCIe Version

PCIe 5.0 x8 PCIe 2.0 x16

ML Software Support

CUDA Version

12.0 No

Clocks & Performance

Base Clock

🔥 577
No

Boost Clock

🔥 1,432
No

Memory Clock

🔥 +7% 1,125
1,050

Power Consumption

Recommended PSU

🔥 -44% 250 W
450 W

Power Connector

None 2x 6-pin

TDP/TGP

🔥 -54% 70 W
151 W

Rendering

Texture Units (TMU)

🔥 +400% 280
56

ROP

🔥 70
No

L2 Cache

🔥 48 MB
512 KB

Additional

Slots

Dual-slot Dual-slot

Release Date

Aug. 11, 2025 Dec. 28, 2010

Display Outputs

4x mini-DisplayPort 2.1b
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1

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