NVIDIA GeForce RTX 5080 Mobile vs AMD Radeon HD 6850 X2
GPU Specs Compare
Graphics Card
Release Date
Apr 2025
Sep 2011
Generation
GeForce 50 Mobile
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
975 MHz
-
Boost Clock
1500 MHz
-
Memory Clock
1750 MHz
1050 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
256bit
Bandwidth
896.0GB/s
134.4GB/s
Render Config
SM Count
60
-
Shading Units
7680
960
TMUs
240
48
ROPs
96
32
Tensor Cores
240
-
RT Cores
60
-
L1 Cache
128 KB (per SM)
8 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
-
12
Theoretical Performance
Pixel Rate
144.0 GPixel/s
25.60 GPixel/s
Texture Rate
360.0 GTexel/s
38.40 GTexel/s
FP16 (half)
23.04 TFLOPS
-
FP32 (float)
23.04 TFLOPS
1.536 TFLOPS
FP64 (double)
360.0 GFLOPS
-
Graphics Processor
GPU Name
GB203
Barts
Architecture
Blackwell 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
5 nm
40 nm
Transistors
45.6 billion
1.7 billion
Die Size
378 mm²
255 mm²
GPU Variant
-
Barts PRO(215-0798006)
Board Design
TDP
80W
254W
Suggested PSU
550 W
600 W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
None
2x 8-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