NVIDIA GeForce RTX 5080 vs AMD Radeon R9 270X
GPU Specs Compare
Graphics Card
Release Date
Jan 2025
Oct 2013
Generation
GeForce 50
Volcanic Islands
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2295 MHz
1000 MHz
Boost Clock
2617 MHz
1050 MHz
Memory Clock
1875 MHz
1400 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
256bit
Bandwidth
960.0GB/s
179.2GB/s
Render Config
SM Count
84
-
Shading Units
10752
1280
TMUs
336
80
ROPs
112
32
Tensor Cores
336
-
RT Cores
84
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
293.1 GPixel/s
33.60 GPixel/s
Texture Rate
879.3 GTexel/s
84.00 GTexel/s
FP16 (half)
56.28 TFLOPS
-
FP32 (float)
56.28 TFLOPS
2.688 TFLOPS
FP64 (double)
879.3 GFLOPS
168.0 GFLOPS
Graphics Processor
GPU Name
GB203
Curacao
GPU Variant
GB203-400-A1
Curacao XT(215-0848004)
Architecture
Blackwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
2.8 billion
Die Size
378 mm²
212 mm²
Board Design
TDP
360W
180W
Suggested PSU
750 W
450 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 16-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
5.1
📊 Benchmark
3DMark Time Spy
33,116
1,769
3DMark Time Spy Extreme
16,627
-
3DMark Speed Way
9,296
-