NVIDIA GeForce RTX 5080 vs ATI Radeon HD 5850
GPU · Specs Compare
Graphics Card
Release Date
Jan 2025
Sep 2009
Generation
GeForce 50
Evergreen
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
2295 MHz
—
Boost Clock
2617 MHz
—
Memory Clock
1875 MHz
1000 MHz
Memory
Memory Size
16GB
1024MB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
256bit
Bandwidth
960.0GB/s
128.0GB/s
Render Config
SM Count
84
—
Shading Units
10752
1440
TMUs
336
72
ROPs
112
32
Tensor Cores
336
—
RT Cores
84
—
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
—
18
Theoretical Performance
Pixel Rate
293.1 GPixel/s
23.20 GPixel/s
Texture Rate
879.3 GTexel/s
52.20 GTexel/s
FP16 (half)
56.28 TFLOPS
—
FP32 (float)
56.28 TFLOPS
2.088 TFLOPS
FP64 (double)
879.3 GFLOPS
417.6 GFLOPS
Graphics Processor
GPU Name
GB203
Cypress
GPU Variant
GB203-400-A1
Cypress PRO(215-0735043)
Architecture
Blackwell 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
45.6 billion
2.154 billion
Die Size
378 mm²
334 mm²
Board Design
TDP
360W
151W
Suggested PSU
750 W
450 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
1x 16-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.4
N/A
CUDA
12.0
—
Shader Model
6.8
5.0
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.