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GPU Comparison
AMD Radeon RX 7900M vs ATI Mobility Radeon HD 4850
AMD Radeon RX 7900M vs ATI Mobility Radeon HD 4850
VS
AMD Radeon RX 7900M
ATI Mobility Radeon HD 4850
We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7900M 's Advantages
Released 14 years and 9 months late
Boost Clock2090MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (576.0GB/s vs 54.40GB/s)
3808 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 7900M
+4691%
38.52 TFLOPS
Mobility Radeon HD 4850
0.804 TFLOPS
Radeon RX 7900M
VS
Mobility Radeon HD 4850
Graphics Card
Oct 2023
Release Date
Jan 2009
Navi Mobile
Generation
M9x
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1825 MHz
Base Clock
-
2090 MHz
Boost Clock
-
2250 MHz
Memory Clock
850 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR3
256bit
Memory Bus
256bit
576.0GB/s
Bandwidth
54.40GB/s
Render Config
72
Compute Units
10
-
-
-
4608
Shading Units
800
288
TMUs
40
192
ROPs
16
-
-
-
72
RT Cores
-
256 KB per Array
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
256 KB
64 MB
L3 Cache
-
Theoretical Performance
401.3 GPixel/s
Pixel Rate
8.048 GPixel/s
601.9 GTexel/s
Texture Rate
20.12 GTexel/s
77.05 TFLOPS
FP16 (half)
-
38.52 TFLOPS
FP32 (float)
804.8 GFLOPS
1204 GFLOPS
FP64 (double)
161.0 GFLOPS
Board Design
180W
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
Navi 31
GPU Name
M98
Navi 31
GPU Variant
M98 L2 (216-0732019)
RDNA 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
57.7 billion
Transistors
0.956 billion
529 mm²
Die Size
256 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
4.1
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