ATI Radeon HD 3850 X2 vs AMD Radeon RX 7650 GRE Full Specs

Summary

640 Shaders 668MHz	2,048 Shaders 2.69GHz
1048MB GDDR3106GB/s	8GB GDDR6288GB/s
Peak·FP32·FP16 855 GFLOPS	Peak·FP32·FP16 22.08 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 140W	TDP 165W
Power Connectors 1x 8-Pin 1x 6-Pin	Power Connectors 1x 8-Pin -

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP16-16 Tensor FP16-32 FP64 BF16 Tensor BF16 Tensor INT8 Tensor INT4 Memory Bandwidth TDP

Radeon HD 3850 X2855 GFLOPSFP32 (2x 427.5 GFLOPS)

x1

Radeon RX 7650 GRE88.31 TOPSINT4 Tensor

x103.28

Show Top Score

Theoretical Performance

Clock Speed668MHz UC·Boost·OC	Clock Speed2695MHz UC·Base·Boost·OC
Peak OPS 855 GFLOPSFP32	Peak OPS 88.31 TOPSINT4 Tensor
-	Tensor FP16-16 22.08 TFLOPS Tensor FP16-32 22.08 TFLOPS
-	BF16 44.15 TFLOPS Tensor BF16 22.08 TFLOPS
FP32 855 GFLOPS	FP32 22.08 TFLOPS
FP64 171 GFLOPS	FP64 689.9 GFLOPS
Tensor INT4 -	Tensor INT4 88.31 TOPS
-	Tensor INT8 22.08 TOPS
Pixel Rate 10.7 GPixel/s	Pixel Rate 172.5 GPixel/s
Texture Rate 10.7 GTexel/s	Texture Rate 345 GTexel/s

Core Config

Shaders 640 Shaders	Shaders 2,048 Shaders
TMUs 32 TMUs	TMUs 128 TMUs
ROPs 32 ROPs	ROPs 64 ROPs
Tensor Cores -	Tensor Cores 64 T-Cores
RT Cores -	RT Cores 32 RT-Cores
CUs 8 CUs	CUs 32 CUs

Clocks

Base Clock -	Base Clock 1.72GHz
Boost Clock 668MHz	Boost Clock 2.69GHz

Cache

L2 Cache 256KB shared	L2 Cache 2MB shared
L3 Cache -	L3 Cache 32MB shared
L3 Bandwidth -	L3 Bandwidth 1.16TB/s

Memory

1048MB GDDR3	8GB GDDR6
Memory Bus 256-bit	Memory Bus 128-bit
Memory Speed 1.7GT/s	Memory Speed 18GT/s
Memory Bandwidth 106GB/s	Memory Bandwidth 288GB/s

Power & Thermals

TDP 140W

TDP 165W

Video Output

Multi-Monitor 2	Multi-Monitor 3
HDCP -	HDCP HDCP 2.3

Ports

-	3x DisplayPort 2.1
-	1x HDMI 2.1
2x DVI-I Dual-Link	-
1x S-Video	-

Encoder

-	Encoder Model VCN 4.0

Decoder

Decoder Model UVD 1.0

Decoder Model VCN 4.0

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2-Slots	PCIe 2-Slots
-	Height 115 mm (4.53") Width 204 mm (8.03") Depth 40 mm (1.57")
Cooling Open-Air 1x Fan	Cooling Open-Air 2x Fans
Power Connectors 1x 8-Pin, 1x 6-Pin	Power Connectors 1x 8-Pin

Chip

Manufacturer ATI	Manufacturer AMD
Chip Designer ATI	Chip Designer AMD
Architecture TeraScale 1	Architecture RDNA 3
Family Radeon HD 3000	Family Radeon RX 7000
Branding	Branding
Codename Boom	Codename Hotpink Bonefish
Chip Variant RV670 Pro	Chip Variant Navi 33 XL
Market Segment Desktop	Market Segment Desktop
Release Date Apr 4, 2008	Release Date Feb 26, 2025

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node 55nm	Fabrication Node N6
Die Size 192mm²	Die Size 204mm²
Transistor Count 666 Million	Transistor Count 13.3 Billion
Transistor Density 3.47 MTr/mm²	Transistor Density 65.2 MTr/mm²

Images

No images available

No images available

Competitors

ATIRadeon HD 3850 X2 vs GPU AMDRadeon RX 9060 XT 16GB ATIRadeon HD 3850 X2 vs GPU AMDRadeon RX 9060 XT ATIRadeon HD 3850 X2 vs GPU AMDRadeon RX 7600 XT Show 12 more

AMDRadeon RX 7650 GRE vs GPU AMDRadeon RX 7600 AMDRadeon RX 7650 GRE vs GPU AMDRadeon RX 7600 XT AMDRadeon RX 7650 GRE vs GPU AMDRadeon RX 9060 Show 12 more