NVIDIA GB10 vs AMD Radeon R9 270X
GPU Specs Compare
Graphics Card
Release Date
Oct 2025
Oct 2013
Generation
Server Blackwell
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1665 MHz
1000 MHz
Boost Clock
2418 MHz
1050 MHz
Memory Clock
1067 MHz
1400 MHz
Memory
Memory Size
128GB
2GB
Memory Type
LPDDR5X
GDDR5
Memory Bus
256bit
256bit
Bandwidth
273.2GB/s
179.2GB/s
Render Config
SM Count
48
-
Shading Units
6144
1280
TMUs
384
80
ROPs
48
32
Tensor Cores
384
-
RT Cores
48
-
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
116.1 GPixel/s
33.60 GPixel/s
Texture Rate
928.5 GTexel/s
84.00 GTexel/s
FP16 (half)
29.71 TFLOPS
-
FP32 (float)
29.71 TFLOPS
2.688 TFLOPS
FP64 (double)
464.3 GFLOPS
168.0 GFLOPS
Graphics Processor
GPU Name
GB20B
Curacao
Architecture
Blackwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
3 nm
28 nm
Transistors
Unknown
2.8 billion
Die Size
Unknown
212 mm²
GPU Variant
-
Curacao XT(215-0848004)
Board Design
TDP
140W
180W
Suggested PSU
300 W
450 W
Outputs
1x HDMI
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
2x 6-pin
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
CUDA
12.1
-
Shader Model
N/A
5.1
📊 Benchmark
3DMark Time Spy
-
1,769