AMD Radeon HD 6990M vs NVIDIA RTX PRO 4000 Blackwell SFF

Comparison of AMD Radeon HD 6990M with 2 GB GDDR5 and 1,120 cores vs NVIDIA RTX PRO 4000 Blackwell SFF with 24 GB GDDR7 and 8,960 cores.

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Performance Rating

NVIDIA RTX PRO 4000 Blackwell SFF outperforms AMD Radeon HD 6990M by 745.22% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon HD 6990M

1.6

AMD Radeon HD 6990M

1.6
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA RTX PRO 4000 Blackwell SFF

13.3

NVIDIA RTX PRO 4000 Blackwell SFF

13.3

Contents:

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

Memory

Memory Size

2 GB
🔥 +1,100% 24 ГБ

Memory Type

GDDR5 GDDR7

Memory Bandwidth

115.2 GB/s 432.0 GB/s

Memory Bus Width

256 бит 192 бит

ML Performance

FP16 (Half Precision)

No
🔥 25.66 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

1.602 TFLOPS
🔥 +1,502% 25.66 TFLOPS

FP64 (Double Precision)

No
🔥 0.401 TFLOPS

CUDA Cores

1,120
🔥 +700% 8,960

RT Cores

No
🔥 70

Architecture & Compatibility

GPU Architecture

TeraScale 2 Blackwell 2.0

SM (Streaming Multiprocessor)

No
🔥 70

PCIe Version

MXM-B (3.0) PCIe 5.0 x8

ML Software Support

CUDA Version

No 12.0

Clocks & Performance

Base Clock

No
🔥 577

Boost Clock

No
🔥 1,432

Memory Clock

900
🔥 +25% 1,125

Power Consumption

Recommended PSU

No 250 W

Power Connector

None None

TDP/TGP

100 W
🔥 -30% 70 W

Rendering

Texture Units (TMU)

56
🔥 +400% 280

ROP

No
🔥 70

L2 Cache

512 KB
🔥 48 MB

Additional

Slots

MXM Module Dual-slot

Release Date

July 12, 2011 Aug. 11, 2025

Display Outputs

Portable Device Dependent
4x mini-DisplayPort 2.1b

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