Nvidia RTX 5070 Review: RTX 4090 Performance?
Following on from the RTX 5070 Ti that hit the market last month, today we can present our review of Nvidia's new RTX 5070. The smallest Blackwell GPU yet, it's also the cheapest xx70-class SKU since the launch of the RTX 3070 back in October 2020, given it lands with a £539/$549 MSRP. On-paper specs don't suggest much of a leap forward compared to the RTX 4070 Super, though, so just how fast is this new graphics card? We look at rasterisation, ray tracing, DLSS 4 and more to find out, while also putting Nvidia's claim of ‘RTX 4090' performance to the test…
With the retail launch for the RTX 5070 set for tomorrow, March 5th, it will be the last of the four RTX 50 series GPUs that Nvidia announced back at CES 2025. RTX 5090 was first out in mid-January, while RTX 5080 followed a week later, and the aforementioned RTX 5070 Ti landed in February.
This review is all about the RTX 5070 though, and we have plenty of data and charts to look through before delivering our final verdict on this graphics card…
RTX 5080
RTX 5070 Ti
RTX 5070
RTX 4070 Super
RTX 4070
Process
TSMC N4
TSMC N4
TSMC N4
TSMC N4
TSMC N4
SMs
84
70
48
56
46
CUDA Cores
10752
8960
6144
7168
5888
Tensor Cores
336
280
192
224
184
RT Cores
84
70
48
56
46
Texture Units
336
280
192
224
184
ROPs
112
96
80
80
64
GPU Boost Clock
2617 MHz
2452 MHz
2512 MHz
2475 MHz
2475 MHz
Memory Data Rate
30 Gbps
28 Gbps
28 Gbps
21 Gbps
21 Gbps
L2 Cache
65536 KB
49152 KB
49152 KB
49152 KB
36864 KB
Total Video Memory
16GB GDDR7
16GB GDDR7
12GB GDDR7
12GB GDDR6X
12GB GDDR6X
Memory Interface
256-bit
256-bit
192-bit
192-bit
192-bit
Memory Bandwidth
960 GB/Sec
896 GB/Sec
672 GB/Sec
504 GB/Sec
504 GB/Sec
TGP
360W
300W
250W
220W
200W
First, a quick spec recap. RTX 5070 marks the introduction of a new Blackwell die – GB205, where RTX 5070 is not quite full implementation but comes close. Comprised of five Graphics Processing Clusters (GPCs), each holds up to eight Texture Processing Clusters (TPCs), with a total of 24. Each TPC is home to two Streaming Multiprocessors (SMs), giving us 48, and each SM still holds 128 CUDA Cores, meaning the RTX 5070 has a total of 6144 shaders. We also find 48 RT cores, 192 Tensor cores, 192 Texture Units, and 80 ROPs.
This time around, however, there's no node-shrink, and GB205 remains fabricated on TSMC's N4 node, as per the RTX 40 series. As such, rated clock speed has not stepped forwards this generation, with the RTX 5070 rated at 2512MHz, within 40MHz of the RTX 4070 and RTX 4070 Super.
The memory configuration is similar to its predecessors, too. We still find 12GB of memory operating a 192-bit interface, the primary difference being the jump to 28Gbps GDDR7 modules, increasing memory bandwidth to 672 GB/s. L2 cache still comes in at 49MB.
Lastly, the RTX 5070 features a 259W TGP. This is something we focus on closely in this review, using our enhanced GPU power testing methodology, so read on for our most detailed power and efficiency testing yet.The post Nvidia RTX 5070 Review: RTX 4090 Performance? first appeared on KitGuru.
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