Home GPU Comparison AMD Radeon 550X 640SP vs AMD Radeon RX 460

AMD Radeon 550X 640SP vs AMD Radeon RX 460

AMD Radeon 550X 640SP
VS
AMD Radeon RX 460
AMD Radeon 550X 640SP
AMD Radeon RX 460
We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 2GB VRAM Radeon RX 460 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages
Released 1 years and 8 months late
More VRAM (4GB vs 2GB)
Lower TDP (50W vs 75W)
AMD Radeon RX 460 's Advantages
Boost Clock has increased by 12% (1200MHz vs 1071MHz)
Larger VRAM bandwidth (112.0GB/s vs 48.00GB/s)
256 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon 550X 640SP
1.371 TFLOPS
Radeon RX 460 +56%
2.15 TFLOPS
Radeon 550X 640SP
VS
Radeon RX 460

Graphics Card

Apr 2018
Release Date
Aug 2016
Polaris
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8

Clock Speeds

1019 MHz
Base Clock
1090 MHz
1071 MHz
Boost Clock
1200 MHz
1500 MHz
Memory Clock
1750 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
48.00GB/s
Bandwidth
112.0GB/s

Render Config

10
Compute Units
14
-
-
-
640
Shading Units
896
40
TMUs
56
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

17.14 GPixel/s
Pixel Rate
19.20 GPixel/s
42.84 GTexel/s
Texture Rate
67.20 GTexel/s
1371 GFLOPS
FP16 (half)
2.150 TFLOPS
1371 GFLOPS
FP32 (float)
2.150 TFLOPS
85.68 GFLOPS
FP64 (double)
134.4 GFLOPS

Board Design

50W
TDP
75W
250 W
Suggested PSU
250 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
None
Power Connectors
None

Graphics Processor

Lexa
GPU Name
Baffin
Lexa PRO (215-0904018)
GPU Variant
Baffin PRO
GCN 4.0
Architecture
GCN 4.0
GlobalFoundries
Foundry
GlobalFoundries
14 nm
Process Size
14 nm
2.2 billion
Transistors
3 billion
103 mm²
Die Size
123 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
6.4
Shader Model
6.4

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