Home GPU Comparison AMD Radeon Pro 455 vs AMD Radeon RX 6850M XT

AMD Radeon Pro 455 vs AMD Radeon RX 6850M XT

We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 12GB VRAM Radeon RX 6850M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 455 's Advantages
Lower TDP (35W vs 165W)
AMD Radeon RX 6850M XT 's Advantages
Released 5 years and 3 months late
Boost Clock2581MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 81.28GB/s)
1792 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon Pro 455
1.313 TFLOPS
Radeon RX 6850M XT +906%
13.21 TFLOPS
VS

Graphics Card

Oct 2016
Release Date
Jan 2022
Radeon Pro Mac
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
2321 MHz
-
Boost Clock
2581 MHz
1270 MHz
Memory Clock
2000 MHz

Memory

2GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
192bit
81.28GB/s
Bandwidth
384.0GB/s

Render Config

-
SM Count
-
12
Compute Units
40
768
Shading Units
2560
48
TMUs
160
16
ROPs
64
-
Tensor Cores
-
-
RT Cores
40
16 KB (per CU)
L1 Cache
128 KB per Array
1024 KB
L2 Cache
3 MB

Theoretical Performance

13.68 GPixel/s
Pixel Rate
165.2 GPixel/s
41.04 GTexel/s
Texture Rate
413.0 GTexel/s
1313 GFLOPS
FP16 (half)
26.43 TFLOPS
1313 GFLOPS
FP32 (float)
13.21 TFLOPS
82.08 GFLOPS
FP64 (double)
825.9 GFLOPS

Graphics Processor

Baffin
GPU Name
Navi 22
Baffin PRO
GPU Variant
Navi 22 XTM
GCN 4.0
Architecture
RDNA 2.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
7 nm
3 billion
Transistors
17.2 billion
123 mm²
Die Size
335 mm²

Board Design

35W
TDP
165W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Features

12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.3
-
CUDA
-
6.4
Shader Model
6.5

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