AMD Radeon RX 9070 XT vs XFX Radeon RX 6900 XT Speedster MERC 319 Full Specs

Summary

4,096 Shaders 2.97GHz	5,120 Shaders 2.37GHz
16GB GDDR6640GB/s	16GB GDDR6512GB/s
Peak·FP32·FP16 48.66 TFLOPS	Peak·FP32·FP16 24.22 TFLOPS
Form Factor PCIe Card	Form Factor PCIe Card
TDP 304W	TDP 350W
Power Connectors 2x 8-Pin	Power Connectors 2x 8-Pin

Highlights

Peak OPS

Peak OPS FP32 FP16 Tensor FP8-16 FP8-16 Tensor Sparse Tensor FP8-32 FP8-32 Tensor Sparse Tensor FP16-16 FP16-16 Tensor Sparse Tensor FP16-32 FP16-32 Tensor Sparse FP64 BF16 Tensor BF16 BF16 Tensor Sparse Tensor INT8 Tensor INT4 Memory Bandwidth TDP

Radeon RX 9070 XT1.56 POPSINT4 Tensor Sparse

x32.15

Radeon RX 6900 XT Speedster MERC 31948.44 TFLOPSFP16

x1

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Theoretical Performance

Clock Speed2970MHz UC·Base·Boost·OC	Clock Speed2365MHz UC·Base·Boost·OC
Peak OPS 1.56 POPSINT4 Tensor Sparse	Peak OPS 48.44 TFLOPSFP16
Tensor FP8-16 194.6 TFLOPS FP8-16 Tensor Sparse 389.3 TFLOPS Tensor FP8-32 194.6 TFLOPS FP8-32 Tensor Sparse 389.3 TFLOPS	-
Tensor FP16-16 97.32 TFLOPS FP16-16 Tensor Sparse 194.6 TFLOPS Tensor FP16-32 97.32 TFLOPS FP16-32 Tensor Sparse 194.6 TFLOPS	-
BF16 97.32 TFLOPS Tensor BF16 97.32 TFLOPS BF16 Tensor Sparse 194.6 TFLOPS	-
FP32 48.66 TFLOPS	FP32 24.22 TFLOPS
FP64 1.52 TFLOPS	FP64 1.51 TFLOPS
Tensor INT4 778.6 TOPS	Tensor INT4 -
Tensor INT8 389.3 TOPS	-
Pixel Rate 380.2 GPixel/s	Pixel Rate 302.7 GPixel/s
Texture Rate 760.3 GTexel/s	Texture Rate 756.8 GTexel/s

Core Config

Shaders 4,096 Shaders	Shaders 5,120 Shaders
TMUs 256 TMUs	TMUs 320 TMUs
ROPs 128 ROPs	ROPs 128 ROPs
Tensor Cores 128 T-Cores	Tensor Cores -
RT Cores 64 RT-Cores	RT Cores 80 RT-Cores
CUs 64 CUs	CUs 80 CUs

Clocks

Base Clock 2.4GHz	Base Clock 1.95GHz
Boost Clock 2.97GHz	Boost Clock 2.37GHz

Cache

L2 Cache 8.2MB shared	L2 Cache 4.1MB shared
L3 Cache 64MB shared	L3 Cache 128MB shared
L3 Bandwidth 2.25TB/s	L3 Bandwidth 1.66TB/s

Memory

16GB GDDR6	16GB GDDR6
Memory Bus 256-bit	Memory Bus 256-bit
Memory Speed 20GT/s	Memory Speed 16GT/s
Memory Bandwidth 640GB/s	Memory Bandwidth 512GB/s

Power & Thermals

TDP 304W	TDP 350W
Max Temp -	Max Temp 110°C Max

Video Output

Multi-Monitor 3	Multi-Monitor 4
HDCP HDCP 2.3	HDCP HDCP 2.3

Ports

3x DisplayPort 2.1	-
-	2x DisplayPort 1.4
1x HDMI 2.1	1x HDMI 2.1
-	1x USB-C

Encoder

Encoder Model VCN 4.0

Encoder Model VCN 3.0

Decoder

Decoder Model VCN 4.0

Decoder Model VCN 3.0

Card

Form Factor PCIe Card	Form Factor PCIe Card
PCIe 2.5-Slots	PCIe 2.8-Slots
Height 111 mm (4.37") Width 267 mm (10.51") Depth 50 mm (1.97")	Height 139 mm (5.47") Width 340 mm (13.39") Depth 57 mm (2.24")
Cooling Open-Air 3x Fans	Cooling Open-Air 3x Fans
Power Connectors 2x 8-Pin	Power Connectors 2x 8-Pin

Chip

Manufacturer AMD	Manufacturer XFX
Chip Designer AMD	Chip Designer AMD
Architecture RDNA 4	Architecture RDNA 2
Family Radeon RX 9000	Family Radeon RX 6000
Branding	Branding
Codename -	Codename Sienna Cichlid
Chip Variant Navi 48 XL	Chip Variant Navi 21 XL
Market Segment Desktop	Market Segment Desktop
Release Date Jan 6, 2025	Release Date Dec 8, 2020

Fabrication

Foundry TSMC	Foundry TSMC
Fabrication Node N4P	Fabrication Node N7
Die Size 357mm²	Die Size 520mm²
Transistor Count 53.9 Billion	Transistor Count 26.8 Billion
Transistor Density 151.2 MTr/mm²	Transistor Density 51.56 MTr/mm²

Images

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Competitors

AMDRadeon RX 9070 XT vs GPU NVIDIAGeForce RTX 5070 Ti AMDRadeon RX 9070 XT vs GPU NVIDIAGeForce RTX 4080 Super AMDRadeon RX 9070 XT vs GPU NVIDIAGeForce RTX 4070 Ti Super Show 12 more

XFXRadeon RX 6900 XT Speedster MERC 319 vs GPU AMDRadeon RX 7900 GRE XFXRadeon RX 6900 XT Speedster MERC 319 vs GPU NVIDIAGeForce RTX 4070 Ti Super XFXRadeon RX 6900 XT Speedster MERC 319 vs GPU NVIDIAGeForce RTX 5080 Show 12 more