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GPU
Speedster MERC 308
XFX
$80940
SHADOW 2X OC
MSI
$62900
Base Clock
2188 MHz2557 MHz
Boost Clock
2607 MHz2557 MHz
Bus
PCI Express 4.0PCI Express 4.0
Chipset Manufacturer
AMDNVIDIA
Color
Black-
Cooling
3 Fans2 Fans
CUDA Cores
-6144
DisplayPort 1.4a Outputs
30
DisplayPort 2.1 Outputs
03
Frame Gen
-DLSS Multi Frame Generation
Frame Sync
FreeSyncGSYNC
GPU
Radeon RX 6600 XTGeForce RTX 5070
HDMI 2.0 Outputs
10
HDMI 2.1a Outputs
01
HDMI 2.1b Outputs
01
Bus
PCIe x16PCIe x16
Length
274 mm231 mm
Memory Bandwidth
16 Gbps28 Gbps
Memory Type
GDDR6GDDR7
PCIe 8-Pin
10
Series
Radeon RX 6000GeForce RTX 50
Slot Size
33
TDP
160W 250W
Upscaling
FSR 3.1DLSS 4.5
VRAM
8 GB12 GB
Part Number
RX-66XT8TBDQRTX 5070 12G SHADOW 2X OC GEFORCE RTX 5070 12G SHADOW 2X OC
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Comparison Analysis

Comparing the Speedster MERC 308 vs SHADOW 2X OC reveals distinct differences in their targeted use cases.

The SHADOW 2X OC is the more budget-friendly option, costing approximately $180 (29%) less than the Speedster MERC 308.

For high-resolution textures and creative workloads, the SHADOW 2X OC has the advantage with 4GB more VRAM.

Builders with compact cases should consider the SHADOW 2X OC, which is significantly shorter.