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GPU Comparison
AMD Radeon Pro 455 vs AMD Radeon HD 8670A
AMD Radeon Pro 455 vs AMD Radeon HD 8670A
VS
AMD Radeon Pro 455
AMD Radeon HD 8670A
We compared two Mobile platform GPUs: 2GB VRAM Radeon Pro 455 and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro 455 's Advantages
Released 3 years and 8 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (81.28GB/s vs 16.00GB/s)
384 additional rendering cores
Lower TDP (35W vs 45W)
Score
Benchmark
FP32 (float)
Radeon Pro 455
+184%
1.313 TFLOPS
Radeon HD 8670A
0.461 TFLOPS
Radeon Pro 455
VS
Radeon HD 8670A
Graphics Card
Oct 2016
Release Date
Feb 2013
Radeon Pro Mac
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1270 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
81.28GB/s
Bandwidth
16.00GB/s
Render Config
-
SM Count
-
12
Compute Units
6
768
Shading Units
384
48
TMUs
24
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
128 KB
Theoretical Performance
13.68 GPixel/s
Pixel Rate
4.800 GPixel/s
41.04 GTexel/s
Texture Rate
14.40 GTexel/s
1313 GFLOPS
FP16 (half)
-
1313 GFLOPS
FP32 (float)
460.8 GFLOPS
82.08 GFLOPS
FP64 (double)
28.80 GFLOPS
Graphics Processor
Baffin
GPU Name
Mars
Baffin PRO
GPU Variant
Mars XT
GCN 4.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
3 billion
Transistors
0.95 billion
123 mm²
Die Size
77 mm²
Board Design
35W
TDP
45W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
-
CUDA
-
6.4
Shader Model
5.1
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