Versus Engine
NVIDIA DGX Spark 64GB vs Radeon RX 9070
Specs, price and the one trade-off that actually decides it — NVIDIA DGX Spark 64GB against Radeon RX 9070, side by side.
Cheaper to start
Tie
Both start at a similar price.
Best ecosystem
Tie
Neither lists native integrations.
Standout
NVIDIA DGX Spark 64GB
NVIDIA Grace Blackwell compute
NVIDIA DGX Spark 64GB
NVIDIA DGX Spark with 64GB configuration and NVIDIA Grace Blackwell compute.
Where it wins, where it doesn't
Pros
- Supports up to 100-billion-parameter models
- Up to 1.7x performance compared to a single system
Cons
- Limited to 64GB configuration, constraining memory availability for larger models
Specifications
- achievable frequency—
- ai accelerators—
- bus type—
- cluster_model_supportup to 200 billion parameters
- computeNVIDIA Grace Blackwell
- configuration64GB
- displayport™—
- features—
- game frequency—
- gpu memory—
- hdmi™—
- max memory size—
- memory bandwidth—
- memory interface—
- memory speed—
- memory type—
- model_supportup to 100-billion-parameter models
- networkingNVIDIA ConnectX-7
- peak 4-bit precision (int4 matrix) performance—
- peak 8-bit precision (fp8 matrix) performance (e5m2, e4m3)—
- peak 8-bit precision (int8 matrix) performance—
- peak half precision (fp16 matrix) performance—
- peak half precision (fp16 vector) performance—
- peak pixel fill-rate—
- peak single precision (fp32 vector) performance—
- performance_comparisonup to 1.7x performance compared with a single system
- performance_testNVIDIA’s Qwen 3.8 27B test
- ray accelerators—
- rops—
- software_stackNVIDIA AI software stack
- stream processors—
- supported rendering format—
- transistor count—
- typical board power (desktop)—
Radeon RX 9070
Radeon RX 9070 graphics card with up to 2520 MHz achievable frequency and 16 GB GDDR6 memory
Where it wins, where it doesn't
Pros
- Achievable frequency of up to 2520 MHz
- 16 GB of GDDR6 memory
- Up to 640 GB/s memory bandwidth
Cons
- Requires a minimum PSU of 650W
- High typical board power of 220W
Specifications
- achievable frequencyUp to 2520 MHz
- ai accelerators112
- bus typePCIe® 5.0 x16
- cluster_model_support—
- compute—
- configuration—
- displayport™2.1a
- featuresAMD Software Adrenalin Edition, AMD Fluid Motion Frames, AMD Noise Suppression, AMD Radeon™ Super Resolution, AMD Smart Access Memory, AMD Smart Access Video, AMD Privacy View, AMD Radeon™ Boost, AMD Radeon™ Anti-Lag, AMD Radeon™ Image Sharpening, AMD Enhanced Sync Technology, AMD FreeSync™ Technology, AMD Radeon™ Chill, AMD Virtual Super Resolution, AMD FSR™ 'Redstone'
- game frequency2070 MHz
- gpu memoryAMD Infinity Cache Technology
- hdmi™2.1b
- max memory size16 GB
- memory bandwidthUp to 640 GB/s
- memory interface256-bit
- memory speedUp to 20 Gbps
- memory typeGDDR6
- model_support—
- networking—
- peak 4-bit precision (int4 matrix) performance578 TOPs
- peak 8-bit precision (fp8 matrix) performance (e5m2, e4m3)289 TFLOPs
- peak 8-bit precision (int8 matrix) performance289 TOPs
- peak half precision (fp16 matrix) performance145 TFLOPs
- peak half precision (fp16 vector) performance36.1 TFLOPs
- peak pixel fill-rateUp to 322.6 GP/s
- peak single precision (fp32 vector) performance36.1 TFLOPs
- performance_comparison—
- performance_test—
- ray accelerators56
- rops128
- software_stack—
- stream processors3584
- supported rendering formatHDMI™ 4K Support, 4K H264 Decode, 4K H264 Encode, H265/HEVC Decode, H265/HEVC Encode, AV1 Decode, AV1 Encode
- transistor count53.9 B
- typical board power (desktop)220W