NVIDIA GeForce RTX 5090 Mobile vs AMD Radeon HD 7870 XT
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Nov 2012
Generation
GeForce 50 Mobile
Southern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
990 MHz
925 MHz
Boost Clock
1515 MHz
975 MHz
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
24GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
256bit
Bandwidth
896.0GB/s
192.0GB/s
Render Config
SM Count
82
-
Shading Units
10496
1536
TMUs
328
96
ROPs
112
32
Tensor Cores
328
-
RT Cores
82
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
-
24
Theoretical Performance
Pixel Rate
169.7 GPixel/s
31.20 GPixel/s
Texture Rate
496.9 GTexel/s
93.60 GTexel/s
FP16 (half)
31.80 TFLOPS
-
FP32 (float)
31.80 TFLOPS
2.995 TFLOPS
FP64 (double)
496.9 GFLOPS
748.8 GFLOPS
Graphics Processor
GPU Name
GB203
Tahiti
GPU Variant
GN22-X11-A1
Tahiti LE(215-0821122)
Architecture
Blackwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
4.313 billion
Die Size
378 mm²
352 mm²
Board Design
TDP
95W
185W
Suggested PSU
550 W
450 W
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
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
Blender
8,089
-