AMD Radeon HD 7850 vs NVIDIA GeForce RTX 4090 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2012
Jan 2023
Generation
Southern Islands
GeForce 40 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1200 MHz
2250 MHz
Base Clock
—
1335 MHz
Boost Clock
—
1695 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
576.0GB/s
Render Config
Compute Units
16
—
Shading Units
1024
9728
TMUs
64
304
ROPs
32
112
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
64 MB
SM Count
—
76
Tensor Cores
—
304
RT Cores
—
76
Theoretical Performance
Pixel Rate
27.52 GPixel/s
189.8 GPixel/s
Texture Rate
55.04 GTexel/s
515.3 GTexel/s
FP32 (float)
1.761 TFLOPS
32.98 TFLOPS
FP64 (double)
110.1 GFLOPS
515.3 GFLOPS
FP16 (half)
—
32.98 TFLOPS
Graphics Processor
GPU Name
Pitcairn
AD103
GPU Variant
Pitcairn PRO(215-0828062)
GN21-X11
Architecture
GCN 1.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.8 billion
45.9 billion
Die Size
212 mm²
379 mm²
Board Design
TDP
130W
120W
Suggested PSU
300 W
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.8
CUDA
—
8.9
Benchmark
3DMark Time Spy
1,334
—
3DMark Time Spy Extreme
325
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.