AMD Radeon E8950 vs AMD Radeon E9171 Full Specs

Summary

2,048 Shaders 735MHz	512 Shaders 1.22GHz
8GB GDDR5192GB/s	4GB GDDR596GB/s
Peak·FP32·FP16 3.01 TFLOPS	Peak·FP32·FP16 1.25 TFLOPS
Form Factor MXM-B	Form Factor MCM
TDP 95W	TDP 35W

Theoretical Performance

Clock Speed735MHz UC·Boost·OC	Clock Speed1219MHz UC·Base·Boost·OC
Peak OPS 3.01 TFLOPSFP32	Peak OPS 1.25 TFLOPSFP16
FP32 3.01 TFLOPS	FP32 1.25 TFLOPS
FP64 188.2 GFLOPS	FP64 78.02 GFLOPS
Pixel Rate 23.5 GPixel/s	Pixel Rate 19.5 GPixel/s
Texture Rate 94.1 GTexel/s	Texture Rate 39 GTexel/s

Core Config

Shaders 2,048 Shaders	Shaders 512 Shaders
TMUs 128 TMUs	TMUs 32 TMUs
ROPs 32 ROPs	ROPs 16 ROPs
CUs 32 CUs	CUs 8 CUs

Clocks

Base Clock -	Base Clock 1.12GHz
Boost Clock 735MHz	Boost Clock 1.22GHz

Cache

L2 Cache 768KB shared

L2 Cache 512KB shared

Memory

8GB GDDR5	4GB GDDR5
Memory Bus 256-bit	Memory Bus 128-bit
Memory Speed 6GT/s	Memory Speed 6GT/s
Memory Bandwidth 192GB/s	Memory Bandwidth 96GB/s
ECC No	ECC No

Power & Thermals

TDP 95W

TDP 35W

Video Output

Multi-Monitor 3	Multi-Monitor 3
HDCP HDCP 1.4	HDCP HDCP 2.2

Encoder

Encoder Model VCE 3.0	Encoder Model VCE 3.4
Codec AVC (H.264) HEVC (H.265)	Codec AVC (H.264) HEVC (H.265)

Decoder

Decoder Model UVD 5.0	Decoder Model UVD 6.3
Codec MPEG-1 MPEG-2 MPEG-4 - VC-1 AVC (H.264) -	Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 AVC (H.264) HEVC (H.265)

Card

Form Factor MXM-B	Form Factor MCM
Cooling Passive	Cooling Passive

Chip

Manufacturer AMD	Manufacturer AMD
Chip Designer AMD	Chip Designer AMD
Architecture GCN 3	Architecture GCN 4
Family Embedded	Family Embedded
Branding	Branding
Codename Tonga	Codename Lexa
Chip Variant Tonga Pro	Chip Variant Polaris 12 XL
Market Segment Server	Market Segment Server
Release Date Sep 1, 2015	Release Date Oct 1, 2017

Fabrication

Foundry TSMC	Foundry GlobalFoundries
Fabrication Node 28nm	Fabrication Node 14LPP
Die Size 359mm²	Die Size 103mm²
Transistor Count 5 Billion	Transistor Count 2.2 Billion
Transistor Density 13.93 MTr/mm²	Transistor Density 21.36 MTr/mm²

Images