GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Only verified data for GeForce RTX 4090 is available. Benchmarks for other models are currently being processed.
On raw speed the GeForce RTX 4090 comes out dramatically faster — about 213% ahead of the GeForce RTX 3070 Laptop. The GeForce RTX 3070 Laptop is the cheaper option by $3,672 GBP.
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Comparable or lower specs
GeForce RTX 4090 vs GeForce RTX 3070 Laptop: In-Depth Breakdown
Performance: GeForce RTX 4090 vs GeForce RTX 3070 Laptop
The GeForce RTX 4090 is dramatically faster, around 213% ahead of the GeForce RTX 3070 Laptop. That gap is enough to move it up a tier: the GeForce RTX 4090 is comfortable at 4K and high-refresh 1440p, while the GeForce RTX 3070 Laptop is better matched to 1080p. The GeForce RTX 4090 packs 16,384 CUDA cores versus 5,120 on the GeForce RTX 3070 Laptop.
Price & Value
The GeForce RTX 3070 Laptop currently lists from $590 GBP, $3,672 GBP less than the GeForce RTX 4090 at $4,262 GBP. The GeForce RTX 4090 still sits about $2,663 GBP above its $1,599 GBP MSRP.
Power & Efficiency
At 125W against 450W, the GeForce RTX 3070 Laptop is both the lower-power and the more efficient card, making it the easier build to cool and power.
VRAM & Future-Proofing
The GeForce RTX 4090 carries 24GB versus 8GB on the GeForce RTX 3070 Laptop. The extra 16GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The GeForce RTX 4090's memory is also faster — 1,008 GB/s versus 448 GB/s (384-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 3070 Laptop or GeForce RTX 4090?
The GeForce RTX 4090 is the faster card by about 213%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.
Frequently Asked Questions
Is the GeForce RTX 4090 better than the GeForce RTX 3070 Laptop?
Which is better for 4K gaming, the GeForce RTX 3070 Laptop or the GeForce RTX 4090?
Is the GeForce RTX 4090 worth the extra $3,672 GBP over the GeForce RTX 3070 Laptop?
Does the GeForce RTX 4090 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3070 Laptop | GeForce RTX 4090 |
|---|---|---|
| Architecture | Ampere | Ada Lovelace |
| Process Node | Samsung 8nm | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 5,120 | 16,384✓ |
| Ray Tracing Cores | 40 | 128✓ |
| Tensor / AI Cores | 160 | 512✓ |
Clock Speeds
| Specification | GeForce RTX 3070 Laptop | GeForce RTX 4090 |
|---|---|---|
| Base Clock | 1,110 MHz | 2,235 MHz✓ |
| Boost Clock | 1,560 MHz | 2,520 MHz✓ |
Memory
| Specification | GeForce RTX 3070 Laptop | GeForce RTX 4090 |
|---|---|---|
| VRAM Capacity | 8 GB | 24 GB✓ |
| Memory Type | GDDR6 | GDDR6X |
| Memory Bus | 256-bit | 384-bit✓ |
| Memory Speed | 14 Gbps | 21 Gbps✓ |
| Bandwidth | 448 GB/s | 1,008 GB/s✓ |
Connectivity & Power
| Specification | GeForce RTX 3070 Laptop | GeForce RTX 4090 |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| TDP | 125 W✓ | 450 W |
| Power Connectors | None | 1x 16-pin |
| Released | Jan 2021 | Sep 2022 |