Home GPU Comparison AMD Radeon Pro 555X vs ATI Mobility Radeon HD 4850 X2

AMD Radeon Pro 555X vs ATI Mobility Radeon HD 4850 X2

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 1024MB VRAM Mobility Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages
Released 9 years and 6 months late
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (94.08GB/s vs 89.60GB/s)
ATI Mobility Radeon HD 4850 X2 's Advantages
32 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon Pro 555X +74%
1.393 TFLOPS
Mobility Radeon HD 4850 X2
0.8 TFLOPS
VS

Graphics Card

Jul 2018
Release Date
Jan 2009
Radeon Pro Mac
Generation
M9x
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1470 MHz
Memory Clock
700 MHz

Memory

4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
94.08GB/s
Bandwidth
89.60GB/s

Render Config

12
Compute Units
10
-
-
-
768
Shading Units
800
48
TMUs
40
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

14.51 GPixel/s
Pixel Rate
8.000 GPixel/s
43.54 GTexel/s
Texture Rate
20.00 GTexel/s
1393 GFLOPS
FP16 (half)
-
1393 GFLOPS
FP32 (float)
800.0 GFLOPS
87.07 GFLOPS
FP64 (double)
160.0 GFLOPS

Board Design

75W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None

Graphics Processor

Polaris 21
GPU Name
M98
Polaris 21 PRO
GPU Variant
M98 L2 (216-0732019)
GCN 4.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
55 nm
3 billion
Transistors
0.956 billion
123 mm²
Die Size
256 mm²

Graphics Features

12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.2
Vulkan
N/A
-
-
-
6.4
Shader Model
4.1

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