NVIDIA GeForce RTX 5080 vs AMD Radeon HD 8950M
GPU · Specs Compare
Graphics Card
Release Date
Jan 2025
May 2013
Generation
GeForce 50
Solar System
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2295 MHz
—
Boost Clock
2617 MHz
—
Memory Clock
1875 MHz
1375 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
128bit
Bandwidth
960.0GB/s
88.00GB/s
Render Config
SM Count
84
—
Shading Units
10752
768
TMUs
336
48
ROPs
112
16
Tensor Cores
336
—
RT Cores
84
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
256 KB
Compute Units
—
12
Theoretical Performance
Pixel Rate
293.1 GPixel/s
17.20 GPixel/s
Texture Rate
879.3 GTexel/s
51.60 GTexel/s
FP16 (half)
56.28 TFLOPS
—
FP32 (float)
56.28 TFLOPS
1.651 TFLOPS
FP64 (double)
879.3 GFLOPS
103.2 GFLOPS
Graphics Processor
GPU Name
GB203
Saturn
GPU Variant
GB203-400-A1
Saturn XT
Architecture
Blackwell 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
2.08 billion
Die Size
378 mm²
160 mm²
Board Design
TDP
360W
100W
Suggested PSU
750 W
—
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.4
1.2
CUDA
12.0
—
Shader Model
6.8
6.3
Benchmark
3DMark Time Spy
33,116
—
3DMark Time Spy Extreme
16,627
—
3DMark Speed Way
9,296
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.